what types of pollutant can kill or harm any marine organism without being eaten?
Answers
There are several types of pollutants that can harm or kill marine organisms without the need for them to be directly consumed. Some of these pollutants include:
Oil SpillsHeavy MetalsChemical DischargesSewage and WastewaterPollutants refer to harmful substances or contaminants that are introduced into the environment, causing damage to ecosystems, human health, or both. These substances can be either naturally occurring or human-made and can exist in various forms such as gases, liquids, or solids.
Air pollutants include gases like carbon monoxide, sulfur dioxide, nitrogen oxides, and volatile organic compounds, as well as particulate matter like dust, smoke, and pollen. Water pollutants consist of chemicals, toxins, heavy metals, pathogens, and excess nutrients that contaminate water bodies such as rivers, lakes, and oceans. Soil pollutants encompass pesticides, fertilizers, industrial waste, and toxic substances that degrade soil quality and affect plant growth.
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Related Questions
Revisions to accepted scientific explanations can be based on..
A. new measurements.
B. new observations.
C. all of these
Answers
have a great day:)
Answer:
the answer is C.
Explanation:
Which list shows the correct order of processes that occur before and during ovulation?
egg released from ovary - hormones send signal > egg travels to fallopian tube
O egg travels to fallopian tube → egg is released from ovary → hormones send signal
O hormones send signal → egg travels to fallopian tube > egg released from ovary
O hormones send signal → egg released from ovary → egg travels to fallopian tube
Answers
hormones send signal --> egg released from ovary --> egg travels to fallopian tube
Answer:
d
Explanation:
In humans, being a tongue roller (R) is dominant over non-roller (1). A man who is a non-roller marries a woman who is heterozygous for tongue rolling.
Answers
Answer:
This question is incomplete, the complete part of the question is as follows:
1. Father’s phenotype _______ Father’s genotype ______
2. Mother’s phenotype ________ Mother’s genotype _______
3. What is the probability of this couple having a child who is a tongue roller?
- Father's phenotype is NON-ROLLER, while his genotype is rr.
- Mother's phenotype is ROLLER while her genotype is Rr
- The probability of this couple having a child who is a tongue roller is 50% or 1/2.
Explanation:
This question involves a single gene coding for the ability or not to roll the to tongue in humans. The alelle for tongue roller (R) is dominant over the allele for non-roller (r). This means an heterozygote individual (Rr) will be able a tongue roller.
According to this question, a man who is a non-roller (rr) marries a woman who is heterozygous for tongue rolling (Rr) i.e. rr × Rr. The following gametes will be produced by each parent:
rr - r and r
Rr - R and r
Using these gametes in a punnet square (see attached image), the following proportion of offsprings will be produced:
Rr, Rr, rr and rr
- Offsprings with genotype Rr (1/2 or 50%) will be tongue rollers
- Offsprings with genotype rr (1/2 or 50%) will be non-tongue rollers.
Hence, based on this question;
- Father's phenotype is NON-ROLLER, while his genotype is rr.
- Mother's phenotype is ROLLER while her genotype is Rr
- The probability of this couple having a child who is a tongue roller is 50% or 1/2
Please help confused and in stress
Answers
Answer: A
Explanation:
Well the other answers wouldn't affect the population that much. But of course if a predator's population is overgrowing that means they are gonna kill too much of the prey before they have enough time to reproduce.
Saliva, produced by glands in the mouth, plays an important role in the digestion of food. Saliva contains a chemical, called amylase, that breaks down starch in the food we eat. A scientist conducts an experiment to investigate at which temperatures amylase works the best. He hypothesizes that the reaction will occur fastest if the amylase reaction is conducted near the normal human body temperature of 37ºC (degrees Celsius). In order to test his hypothesis, the scientist measures the reaction rate, which is how fast the amylase breaks down the starch at six different temperatures. The reaction rate is rated on a scale of 0 to 10, with 0 meaning no reaction and 10 meaning the fastest reaction. The results are recorded in the data table.
AMYLASE REACTION RATE BY TEMPERATURE
Temperature (ºC)
Reaction Rate
0
2
20 4
40 10
60 8
80 2
100 0
Based on the data, should the scientist accept or reject his hypothesis?
A He should reject the hypothesis because amylase reacts at all temperatures.
B He should accept the hypothesis because amylase reacts only at body temperature.
C He should reject the hypothesis because amylase reacts faster above body temperature.
D He should accept the hypothesis because amylase reacts fastest near normal human body temperature and slower above and below normal human body temperature.
Answers
Based on the data, he should accept the hypothesis because amylase reacts fastest near normal human body temperature and slower above and below normal human body temperature.
The correct option is C.
What is the rate of a reaction?The rate of a reaction is the rate at which reactant molecules are used up or the rate at which products are formed.
In the body, the molecules that speed up the rate of the reaction occurring in the body are called enzymes.
Enzymes are mostly proteins and thus, are easily denatured by heat.
Enzymes function best at temperatures close to the body temperature of 37ºC (degrees Celsius).
An example of an enzyme is amylase found in saliva.
Amylase is responsible for the digestion of starchy foods.
Based on the results of the experiment conducted by the scientist, it can be concluded that his hypothesis is correct.
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CVS module 500147 (Pharmacy Hazardous Waste Training) I have been stuck on this one question for days. please help.
Which of the following must be placed in a Stericycle bag before putting in the hazardous waste tote? Select all that apply:
a. Expired amber vials
b. Reconstituted Zostavax vials
c. Materials used to clean contaminated compounding equipment/utensils
d. None of the Above
Answers
Products that should be placed in a Stericycle bag before disposal in the hazardous waste container are:
Expired amber vialsMaterials used to clean contaminated compounding equipment/utensilsCorrect answer: letter A and C.
This is necessary to ensure that hazardous waste is properly transported and stored separately from household waste. The 500147 pharmacy hazardous waste training module provides detailed information on how to store and transport hazardous waste safely and comply with legal and quality requirements.
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Which are functions of small RNAS?
Select all that apply.
to build proteins using codons
to cause a protein complex to break down mRNA molecules
to carry all the information necessary to build proteins
to prevent mRNA molecules from being translated
Answers
Small RNAs serve a variety of purposes, like option B: to cause mRNA transcripts to be broken down by a protein complex, and option D: mRNA molecules from being translated.
By attaching to particular mRNAs and either preventing or triggering the destruction of their translation, small RNAs, such as microRNAs and siRNAs, can control the expression of genes. They neither carry the information required to construct proteins on their own, nor do they construct proteins using codons.
Numerous biological processes require RNA, also known as ribonucleic acid, which is a single-stranded nucleic acid. Its structure is comparable to that of DNA, except instead of deoxyribose and thymine, it contains the sugar ribose and the nucleotide uracil.
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13. Some flowers are not brightly colored at all, but have a very pungent odor that smells like rotting meat. How do you think these flowers are pollinated
Answers
Answer:
They smell this way to attract flies and beetles, which normally lay their eggs in feces and rotting materials. Tempted by the scent, the insects visit the flowers and inadvertently pollinate them before leaving.
Explanation:
A particular pea plant has one allele for a tall stem (T) and one allele for a short stem (t). By observing it, you can see that it has a tall stem as well as many other different traits. Using this example, explain the difference between phenotype and genotype. Which one can be observed? Which one helps to determine the other?
Answers
Answer:
phenotype is the physical make up of an organism. it is controlled by alleles found in the cells of an organism. dominant alleles overshadow the recessive alleles. the allele for tallness for example, is dominant to that for shortness. since alleles occur in pairs, this plant which is tall can either be genotype TT or Tt , two dominant alleles or one dominant allele and the recessive allele which overpowers the recessive allele hence making the plant appear tall. genotype is the genetic make up of an organism. this determines how an organism appears to look externally.
hence genotype determines phenotype.
An animal welfare group is curious if the effects of selectively breeding goats to produce more milk is bad for the goats. What would be the BEST question that the welfare group could ask to determine the effects of selectively breeding the goats?
A.
What does the milk of the selectively bred goats taste like?
B.
Are there negative traits in the selected traits on the goat population?
C.
Can you make more money by producing the goats with the desired traits?
D.
What is the diet the goats are fed in order to produce milk?
Answers
Answer:
B
Explanation: other answers don’t make sense.
At which temperature a chocolate can melt in the sun
Answers
Answer:
In Arizona.... maybe 90 to 100 degrees
Explanation:
Where is the surface water saltiest, near the coast or in the middle of the ocean? Many students expect the water to be fresher (less salty) at this location. Why? What typically makes this part of the ocean fresher? Why is the water at this location along the coast of California (sometimes) unusually salty?
Answers
Surface water is typically saltiest near the coast rather than in the middle of the ocean.
Why is the surface water saltiest near the coast?The salinity of surface water is influenced by various factors, including evaporation, precipitation, and freshwater input from rivers. Near the coast, there is often a higher concentration of salts due to limited freshwater input and high evaporation rates. Evaporation causes water molecules to escape, leaving behind the dissolved salts, thus increasing the salinity. Additionally, coastal areas may experience higher levels of evaporation due to warmer temperatures and stronger sunlight. This combination of factors leads to a higher salinity near the coast compared to the middle of the ocean.
However, it is important to note that salinity levels can vary depending on specific coastal characteristics and regional factors. For example, along the coast of California, the water can sometimes be unusually salty due to specific oceanographic conditions. These conditions may include upwelling events, where cold, nutrient-rich waters from the deep ocean rise to the surface. These upwelling events can bring in water with higher salinity, resulting in temporary increases in coastal salinity levels.
Understanding the factors influencing coastal salinity is crucial for various reasons, including ecosystem health, water management, and the impacts of climate change. By studying and monitoring salinity patterns, scientists can gain insights into ocean circulation, climate dynamics, and the distribution of marine organisms.
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What type of data is recorded by the electrocardiograph?
Answers
Answer:
Electrical signals from your heart to check for conditions and illnesses that can be detected by this data.
1. As a group, you and three other students must make a presentation on an animal. Which option is the best example of your group coming to a consensus on the presentation topic?(1 point)
A. A group member is selected as the team leader and the team leader chooses the presentation topic.
B. Each member gets a vote and the animal with the most votes will be the presentation topic.
C. The group writes options on slips of paper, puts them in a hat, and the paper that is selected will be the presentation topic.
D. The group cannot agree on what animal to choose so your teacher chooses your presentation topic.
2. Why might a paleontologist who works with fossils and an archaeologist who specializes if recovering human artifacts work together to determine where a fossil belongs in the hominid family tree?(1 point)
A. They both know how to remove objects carefully from the ground.
B. They both have different skills to help answer the question about ancient humans.
C. They both understand the relationship between fossils and early humans.
D. They both are experts on different types of bones.
3. Suppose a team of scientists has uncovered the site of an ancient city along a river. Which question could an anthropologist and archaeologist work together to help answer?(1 point)
A. Which plants did humans grow at this site and how were they grown?
B. How have humans impacted the rock layer of the city changed over time?
C. What tools were found at the site and which civilization used them?
D. How did changes in the depth of the river affect the houses people built at the site?
4. Insects are important to many ecosystems. For example, bees help pollinate many different plants and many animals rely on insects as food sources. Citizen science projects allow the public to work together with scientists by collecting observational data on many types of organisms such as plants, birds, or insects.
Which question could citizen science data answer that best illustrates insect population responses to climate change?
(1 point)
A. “What tree species provide the best habitat beetle species in this area?”
B. “What types of foods can butterflies eat?”
C. “How many dragonfly species are native to this region?”
D. “How does caterpillar abundance and distribution change over the year?”
5. Coral bleaching occurs when coral become stressed and expel the algae that they contain. According to scientists, what steps can society take to fix coral bleaching?(1 point)
A. Scientists have concluded that society can only fix coral bleaching by stopping climate change entirely.
B. Scientists have concluded that society can fix coral bleaching by reducing stressors, such as sedimentation and pollution, and limiting climate change.
C. Scientists have concluded that society can fix coral bleaching by reducing stressors, such as sedimentation and pollution.
D. Scientists have concluded that society can only fix coral bleaching by controlling ocean temperatures by reducing greenhouse gas emissions.
Answers
Answer:
(Q1: B)
(Q2:B)
(Q3:C)
(Q4:D)
(Q5:B)
Explanation:
Question 1:
A consensus hears all voices in a group and goes with the common "majority rule" and B shows this in clear detail.
Question 2:
They both have different skill sets but we can remove option A because all fossils are handled the same way. We can remove D because it doesn't make sense for the question which leaves us with C and B. This makes us know that the answer is B because it makes the most sense for the question.
Question 3:
An anthropologist is someone who specializes in the study of human societies and cultures and their development and an archaeologist is someone who digs up fossils. The only answer that makes sense here is C because the archaeologist can uncover the tools and where they made marks in the rock while an anthropologist can use those to discover what civilization it was and how those tools were used.
Question 4:
In the context of this question we can decide that the only relevant answer is D because it would watch over a period of time that could show climate change while the others are just simple facts that can be uncovered about the daily life of these insects.
Question 5:
The steps that can be taken to fix coral bleaching are to reduce stressors, such as sedimentation and pollution, and limiting climate change. This is because the main things that cause the coral to become bleached are changes in the temperature and salinity of the water. By polluting the ocean we change the chemical formula of the water and therefore affect the coral and the climate change heats the ocean to temperatures that the coral can't or will not be able to withstand.
which one the brick or the bread whould have the greater density explain your answer
Answers
Answer:
The brick
The brick has the greater mass, therefore has the greater density. The
particles in a brick are more tightly packed together. Density is an
indication of how tightly packed the particles in the substance are
Answer:
The brick
Explanation:
If you where to put bread in water it would float but if you put a brick in water it will not that’s how I tell if something is more dense than the other in these situations
Describe a conditional reasoning example. Be sure to describe your conditional (If A then B). Next describe one form of valid reasoning that can stem from this conditional (modus ponens or modus tollens). Finally, describe one form of invalid reasoning that can stem from this conditional (affirming the consequent or denying the antecedent).
Answers
A conditional reasoning example is a logical statement consisting of a hypothesis and a conclusion. "If A, then B" is a type of conditional statement, also known as a conditional statement. If the hypothesis (A) is true, then the conclusion (B) must be true. This is a modus ponens argument. If A is true, then B is true. A is true. As a result, B is true.
Affirming the consequent is an example of an invalid argument. If A is true, then B is true. B is true. As a result, A must be true. This is a false conclusion that cannot be logically derived. The statement "If the sky is cloudy, then it is going to rain" is an example of conditional reasoning. Modus tollens, a valid argument, can stem from this conditional. "If A, then B" is the first premise. "Not B" is the second premise. As a result, "Not A" is the conclusion. The statement "If it is not raining, then the sky is not cloudy" is an example of an invalid argument that can be derived from this conditional. If A is true, then B is true. A is false. As a result, B must be false. This is not a logical argument. It's incorrect.
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Which of the following aspects of water quality is related to changes in weather patterns and circulation of water in the oceans?
Agricultural runoff
Heavy metals in water
Acidification
Salinity and temperature
Answers
Answer:
Sanity and Temperature
Explanation:
They both determine the density of ocean water and density influences the circulation.
Answer: Salinity and temperature
Explanation:
What happens to biodiversity
when species are lost?
O biodiversity
O biodiversity
gets higher
stays the same
biodiversity gets lower
O nothing
Answers
Answer:
C, biodiversity gets lower
Explanation:
When species are lost, biodiversity gets lower. This is because each species plays a unique role in the ecosystem, and the loss of one species can have cascading effects on the rest of the ecosystem. As more species are lost, the complexity and resilience of the ecosystem decline, resulting in a decrease in overall biodiversity.
explain how fixation happens
Answers
Typically, what percentage of a sample of human blood is made up of red blood cells? A. 10-20% B. 30-40% C. 50-60% D. 70-80%
Answers
B. 30-40%
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Cells called transport oxygen and carbon dioxide between the tissues and the lungs.a. Trueb. False
Answers
the answer is true I
Which of the following statements are true related to chronic obstructive pulmonary disease? Select all that apply.
Chronic hypercapnia
Oxygen therapy maintained at low oxygen level
Decreased red blood cell level
Hypoxic drive
Increased alveolar elasticity
Chronic hypercapnia
Oxygen therapy maintained at low oxygen level
Hypoxic drive
4 / 14
Answers
Chronic hypercapnia, oxygen therapy maintained at low oxygen level, and hypoxic drive are true statements related to chronic obstructive pulmonary disease (COPD).
In COPD, chronic hypercapnia (excess carbon dioxide in the blood) is a common feature due to decreased ability to exhale carbon dioxide. Oxygen therapy is often used in COPD patients, but it is usually maintained at low oxygen levels to avoid suppressing the hypoxic drive, which is the body's natural response to low oxygen levels. The hypoxic drive stimulates breathing and increasing oxygen levels too much can suppress this drive and lead to respiratory failure.
Decreased red blood cell level (anemia) is not a common feature of COPD. Instead, COPD patients often have increased levels of red blood cells due to the body's response to chronic hypoxemia (low oxygen levels). Increased alveolar elasticity is also not a common feature of COPD as the disease is characterized by decreased elasticity and airflow limitation.
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what is the fate of glucose 6-phosphate that enters the pentose phosphate pathway in the flight muscles of hummingbirds?
Answers
The right response is that ribose-5-phosphate and carbon dioxide are created from glucose-6-phosphate.
The glucose-6-phosphate is converted into ribose-5-phosphate, which is the five-carbon sugar molecule and carbon dioxide, after entering the pentose phosphate pathway. Following the entry into the route, glucose-6-phosphate is initially converted into 6-phosphogluconolactone by the enzyme glucose-6-phosphate dehydrogenase.
The generation of NADPH also occurs during the conversion of glucose-6-phosphate to the lactone molecule. By the action of the enzyme lactonase, 6-phosphogluconate is created from the 6-phosphogluconolactone that is generated. This is further decarboxylated and hydrolyzed into carbon dioxide and ribose-5-phosphate by the action of the enzyme 6-phosphogluconate dehydrogenase. The hummingbird's flight muscles convert glucose-6-phosphate in order to produce NADPH and protect against oxidative stress.
The complete question is:-
What is the fate of glucose 6-phosphate that enters the pentose phosphate pathway in the flight muscles of hummingbirds? Glucose 6-phosphate is converted to carbon dioxide and ribose 5-phosphate. Glucose 6-phosphate is converted to ribose 5-phosphate. Glucose 6-phosphate is converted to carbon dioxide and pyruvate. Glucose 6-phosphate is converted to carbon dioxide.
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For the majority of people, what parts of the body are affected by stress? Select all that apply. a. Knees b. Face c. Shoulders d. Head e. Stomach f. Neck
Answers
The correct option is C, D, E, and F. The parts of the body that are commonly affected by stress in the majority of people are the Shoulders, Head, Stomach, and Neck.
The stomach is a muscular organ located in the upper abdomen, part of the digestive system responsible for breaking down food into nutrients that can be absorbed by the body. The stomach has a highly folded internal surface, called rugae, which allows it to expand and contract as needed to mix and grind food. It also produces gastric acid and enzymes that further break down the food, making it easier for the small intestine to absorb nutrients.
The stomach is able to regulate the rate at which it empties its contents into the small intestine, which helps to optimize digestion and absorption. Additionally, the stomach plays a role in the immune system by secreting mucus and producing antibodies, helping to protect against harmful bacteria and other pathogens that may be present in the food.
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What is the name of a species that is the first species to colonize an
area?
Select one:
a. Frontier species
b. Pioneer species
c. Explorer species
d. Pilgrim species
Answers
Answer:The answer is b. Pioneer species
Step-by-step explanation; The first species to colonize an area after a major disturbance are called pioneer species; they help to form the new environment. Secondary succession occurs after a disturbance such as a forest fire, where there is still some organic matter to allow new plants to grow.
Study the graph, and then answer the questions using the drop-down menus.
Which group currently shows a lower percent of adults identifying with it than being raised in it?
Which two groups currently show a higher percentage of people identifying with it than those raised in it?
Answers
Answer:
LOWER = unaffiliated
HIGHER = Catholic
Explanation:
Answer:
A double bar graph titled Religious Shifts in Latin America. The x-axis is labeled Religious Group. The y-axis is labeled Percent of Population from 0 to 100. The left bar is labeled Raised and the right bar is labeled Currently. Raised Catholic is 84 percent. Raised Protestant is 9 percent. Raised Unaffiliated is 4 percent. Currently Catholic is 69 percent. Currently Protestant is 19 percent. Currently Unaffiliated is 8 percent.
Study the graph, and then answer the questions using the drop-down menus.
Which group currently shows a lower percent of adults identifying with it than being raised in it?
✔ Catholic
Which two groups currently show a higher percentage of people identifying with it than those raised in it?
✔ Protestant and Unaffiliated
Explanation:
A
Water has a high specific heat, which means that it requires a great deal of heat to change its temperature.
Which of the following helps support life on Earth and is a result of water's high specific heat?
OA. The water that covers over 70% of the Earth's surface stabilizes the weather and climate of the Earth.
OB.
O C.
OD.
Water is part of a continuous cycle in which liquid water falls to the Earth's surface, is evaporated back into the atmosphere, and
condenses into clouds that produce precipitation.
Water droplets tend to clump together in drops instead of spreading out in a thin film, allowing it to move through the roots of
plants and through blood vessels in the human body.
In freezing temperatures, ice rises to the top of lakes and provides an insulating layer that keeps the rest of the water from
freezing.
Answers
Explanation:
OA. The water that covers over 70% of the Earth's surface stabilizes the weather and climate of the Earth.
Water's high specific heat helps to regulate the temperature of the Earth's oceans, which in turn affects the temperature and climate of the planet. This is because water can absorb a large amount of heat without a significant increase in temperature, and it can release that heat slowly over time. As a result, the Earth's oceans act as a "heat sink," absorbing excess heat from the atmosphere during warm periods and releasing heat during cold periods. This helps to stabilize the temperature of the planet and makes it more hospitable for life.
Why does DNA need to be opened before mRNA
can be built?
Answers
Answer:
Since DNA contains recognition sites for RNA polymerase or its helper proteins to bind to, it must be opened before mRNA can be formed.The promoter region of the DNA opens up, allowing RNA polymerase to begin transcription. - gene (or, in bacteria, each transcribed group of genes) has its own promoter.Explanation:
DNA (Deoxyribonucleic acid )
DNA is a molecule made up of two polynucleotide chains that coil around each other to form a double helix and carry genetic instructions for the development, function, growth, and reproduction of all known organisms and viruses. DNA and ribonucleic acid are examples of nucleic acids (RNA).
Since they are made up of smaller monomeric units called nucleotides, the two DNA strands are known as polynucleotides. Each nucleotide is made up of a sugar called deoxyribose, a phosphate group, and one of four nitrogen-containing nucleobases (cytosine [C], guanine [G], adenine [A], or thymine [T]).
Explain Genotype Vs phenotype with examples
Answers
Answer:
A genotype refers to the genetic characteristics of an organism. A phenotype refers to the physical characteristics. For example, having blue eyes (an autosomal recessive trait) is a phenotype; lacking the gene for brown eyes is a genotype.
Explanation:
Answer:
The whole answers are on the picture.
Explanation:
I hope it helps to you a lot and if you are satisfied with my answer please mark it as brainliest (if my answer is right)... Thank You!
When the simple squamous lines the cardiovascular and lymphatic system, it is called:_________
Answers
When the simple squamous lines the cardiovascular and lymphatic system, it is called endothelium.
While epithelial cells line outer surfaces, endothelial cells line inner surfaces. Simple squamous endothelial are flat cells that line the inner surfaces of the heart, blood vessels and lymphatic system. They are continuous and form a barrier between the circulating blood or lymph and the walls of the vessels.
There are two types of endothelial cells - Vascular endothelial cells and Lymphatic endothelial cells. The vascular endothelial cells are constantly in contact with blood and line the inner surfaces of blood vessels, from the heart all the way to the tiniest capillary. Lymphatic endothelial cells can be found in the lymphatic system.
In the glomerulus of the kidney, endothelial cells are responsible for fluid filtration. They also help in blood clotting and formation of new blood vessels.
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