Answers
Answer:
D) none of the above
Explanation:
took the quiz on edgenudity
The right answer is (a) jet fuel.
What is water pollution?Water pollution refers to the presence or introduction of harmful substances or pollutants into bodies of water such as lakes, rivers, oceans, and groundwater.
These pollutants can come from a variety of sources, including natural and human-made sources. While there are many different types of pollutants that can cause water pollution, some of the most common sources of water pollution include:
Industrial waste: Industries and factories release a variety of pollutants into water bodies, such as chemicals, heavy metals, and organic compounds.
Agricultural runoff: Fertilizers and pesticides used in agriculture can leach into waterways and cause significant pollution. Agricultural runoff can also contain soil, animal waste, and other contaminants that can degrade water quality.
Sewage and wastewater: Sewage and wastewater from homes and businesses contain a wide range of pollutants, including human waste, chemicals, and pharmaceuticals. These pollutants can have serious impacts on aquatic life and human health.
A jet fuel is not typically a cause of water pollution. While spills of jet fuel or other petroleum products can occur and can cause significant harm to aquatic ecosystems, they are not one of the most common causes of water pollution.
The most common causes of water pollution include things like industrial waste, agricultural runoff, sewage and wastewater, and improper disposal of household chemicals and medications.
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Related Questions
What are two plants and their plant adaptations in the tropical rainforest?
Answers
Answer:
1. Lianas - these are woody vines that have roots in the ground but climb up the trees to reach the sunlight. Their leaves and flowers grow in the canopy.
2. Tree trunks - these are tall and thin to allow trees to reach the sunlight.
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Why Should We Add Crickets In Our School Lunches?
Introduction
Answers
Answer:
Because it is rich in Protein and also gross
Explanation:
Main Steps of the Scientific Method: 1. ________________________________________ 2. ________________________________________ 3. ________________________________________ 4. ________________________________________ 5. ________________________________________ 6. ________________________________________
Answers
The scientific method is a systematic approach used by scientists to investigate and understand the natural world these steps are iterative, meaning that scientists often repeat the process, refining their hypotheses and experiments to gain a deeper understanding of the phenomenon under investigation.
It involves a series of steps that help ensure objectivity, reproducibility, and reliability in scientific research.
The main steps of the scientific method are as follows:
Observation: The first step involves making careful observations of a phenomenon or a problem in the natural world.
Scientists use their senses or instruments to gather data and identify patterns or interesting phenomena.
Question: Based on the observations, scientists formulate a research question that addresses the underlying cause or mechanism of the observed phenomenon.
The question should be specific and testable to guide the subsequent steps.
Hypothesis: In this step, scientists propose a possible explanation or solution to the research question.
The hypothesis is a tentative statement that can be tested through further experimentation or observation.
It should be based on existing knowledge and provide a clear prediction.
Experimentation: Scientists design and conduct experiments to test the hypothesis.
They manipulate variables, control conditions, and collect data to analyze and draw conclusions.
The experiment should be carefully planned, with appropriate controls and statistical methods to ensure accurate and reliable results.
Analysis: After collecting the data, scientists analyze the results using statistical methods or other analytical techniques.
They examine the data to determine if it supports or refutes the hypothesis.
This step involves organizing and interpreting the data to draw meaningful conclusions.
Conclusion: Based on the analysis, scientists draw conclusions about the hypothesis.
If the data supports the hypothesis, it may be accepted as a plausible explanation.
If the data does not support the hypothesis, scientists may revise the hypothesis or propose alternative explanations.
Through this iterative process, scientific knowledge advances and contributes to our understanding of the natural world.
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What is a beta particle? How is it released from the atom?
Answers
So, an atom consists of protons, electrons, and neutrons. The nucleus of the atom is only composed of protons and neutrons, and electrons are surrounding the atom like a circle pretty much. So, a beta particle is an electron that happened to be in the nucleus, as a result of an unstable neutron dissecting into a proton and an electron. Since electrons are not supposed to be in the nucleus of an atom, the electron, or the beta particle, is released from the nucleus, if not the atom itself. The reason this occurrence transpires is to prevent the death of the atom. I hope that this has helped answer your question for you. Enjoy your day, and take care.
which example is best respect to use creativity in scientific inquiry
Answers
similarities between plant growth and animal growth
Answers
\(\textbf{Question:-}\)
=>Similarities between plant growth and animal growth.
\(\textbf{Answer:-}\)
Similarities between plant growth and animal growth are as follows:-
Both plants as well as animals need sun's energy for their growth.Both of them depend on water for proper development.Both are made up of cell.Feedback loops are designated as positive or negative. Which statement is correct regarding feedback loops?
A. Positive feedback is good, negative feedback is bad.
B. Positive feedback loops are the most common in nature.
C. Positive feedback loops return systems to normal.
D. Positive feedback loops can drive a system to extremes.
Answers
Answer: option D is teh answer
Answer:
CORRECT (SELECTED)
Positive feedback amplifies signals and negative feedback opposes signals.
Explanation:
Positive feedback loops amplify a starting signal while negative feedback loops act to oppose the triggering stimulus.
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Which phase of cell division is shown?
A) prophase I of meiosis
B) telophase II
C) anaphase II
D) telophase I
Answers
Answer:D
Explanation: Hope it helps
What is the flexibility of spider silk determined by the structure of its molecules
Answers
The flexibility of spider silk determined by the structure of its molecules is quite strong.
The components that make up spider silk are what give it its flexibility. Proteins called fibroins, which are made up of amino acids organised in a certain sequence, make up spider silk. The arrangement of amino acids in fibroin proteins results in a helical structure, which is held together by hydrogen bonds between the amino acids.
The fibroin protein chain's exact arrangement of amino acids and hydrogen bonds produces a special blend of strength and flexibility. The silk is flexible enough to stretch and absorb energy without breaking and robust enough to resist significant stress. Spider silk is a fantastic material for many uses, including clothes, medical equipment, and even bulletproof vests, thanks to its unique mix of qualities.
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Fill in the blank with the best choice. "Continued labor trouble contributes to poor
a. Morale
b. Morel
c. Moral
Answers
Answer:
a. Morale
Explanation:
A. Makes the most logical since to me.
A muscle that assists the muscle that is primarily responsible for a given action is a(n):__________
a. synergist
b. originator
c. agonist
d. levator
e. antagonist
Answers
Answer:
A.
Explanation:
Synergist muscles are those muscles in body that helps or are responsible to help the same set of joint in action. They tend to serve as agonist. This muscles helps to act or produce action around a moveable joint.
An example of synergist muscle is biceps brachii that helps to perform actions in forearm flexion. a synergist can also serve as a fixator at the muscles origin.
Therefore, the correctanswer is option A.
Scarification is a process that scratches up the surfaces of seeds that pass through the guts of birds. A student wanted to see if scarified seeds grew better than those that were not scarified. He simulated scarification by rubbing 20 cherry seeds with sandpaper. Another set of 20 cherry seeds were left alone. The student planted each of the seeds into separate pots and gave them the same amount of water daily. The pots were placed in a location with a constant temperature of approximately 25 degrees C. The number of seeds that germinated each group was recorded daily for three weeks. Which is the control group?
Which is the experimental group?
What is the independent variable?
What is the dependent variable?
Name at least one controlled variable?
Was quantitative or qualitative data collected?
Answers
The control group is the set of non-scarified seeds. The experimental group is the set of scarified seeds. The independent variable is scarification process. The dependent variable. is the number of seeds that germinated in each group.
Controlled variables are the amount of water supplied daily, the constant temperature of the growing environment, the type of cherry seeds used and the size of the planting pots.
Quantitative data are the daily count of the number of seeds that germinated in each group over three weeks.
The study does not have qualitative data.
Differences between dependent and independent variablesThe independent variable needs no stimulus to generate results.The dependent variable needs to be stimulated by the independent variable to generate results.A scientific experiment needs to feature all of the elements represented above to be effective and reliable. This is because these elements prove that the experiment was carried out methodically, specifically, and with care in each variable and presented data.
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What species does the mosquito belong to?
Answers
Answer:
Insects
Explanation:
Answer:
flies (order Diptera). Within Diptera they constitute the family Culicidae
Explanation:
Which is one of the characteristics that Mars and earth share
Answers
Answer:
They both have water, semi-regular temperatures, and mars has a partially livable atmosphere.
Answer:
Temperature and atmosphere
Explanation:
The geological processes in mars and earth are common
Examples formation of Volcanoes
3. Suppose an mRNA molecule in the cytoplasm had 300 nucleotides. How many amino acids would be in
the resulting protein?
Answers
Answer:
100 AMINO ACID
EXCEPTIONAL CASE:
If STOP CODON is also present mRNA then 99 amino acids are present in protein
Explanation:
set of 3 nucleotide on mRNA = codon
1 codon = 1 amino acid
AS PER QUESTION THERE ARE
300 NUCLEOTIDE100 CODON 100 AMINO ACID
99 amino acids are there in the resulting protein.
Each amino acid corresponds to codons; sequences of 3 base pairs.
If you have 300 base pairs, you get 100 codons.
However, you only get 99 amino acids in the protein as the last codon is a stop codon with terminates protein synthesis.
300 base pairs=100 codons=99 amino acids.
In 1 amino acid there are 3 nucleotides.
In mRNA, three-nucleotide units called codons dictate a particular amino acid.
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We have learned that organisms exist in specific geographic ranges. For example, the plant and animals specie
rainforest are very different from those that live in the taiga. They have very different adaptations to live in these
also have specific zones of tolerance for specific abiotic conditions. There is a range of chemical and physical c
maintained for populations of a particular species to stay alive and grow, develop, and function normally. For exa
have a different zone of tolerance or low temperatures as well as low water than the plants that live in the tropica
Acid rain throughout the northeast United States has lowered the pH of many ponds and lakes. The lowered pH
the death of many aquatic animals. The table shows the pH tolerance levels for water that supports a variety of r
living in a specific habitat. Which animal has the largest zone of tolerance for pH?
*
√x
A snail
x B
√x
mayfly
C frog
xD bass
Answers
Snail has the largest zone of tolerance for pH.
What do you mean by pH?A measure of how acidic or basic a substance or solution is. pH is measured on a scale of 0 to 14. On this scale, a pH value of 7 is neutral, which means it is neither acidic nor basic.
The range goes from 0 - 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water.
pH is defined as the negative log base 10 of the hydronium concentration. The pH is a logarithmic measure of the concentration of hydrogen ions in a solution. Because pH is on a log scale that means that increasing the pH by 1 corresponds to multiplying the concentration of H+ ions by 10.
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Choose a common farm animal. How has the use of selective breeding affected the amount of money the farmer makes from that type of animal?
Answers
Consider the ubiquitous farm animal of chickens as an illustration. The amount of money a farmer can earn from raising chickens has been significantly impacted by selective breeding.
To increase favorable characteristics in chickens, such as egg production, meat yield, disease resistance, and temperament, selective breeding has been used over time.
As a result, distinct breeds of chickens with varying specializations—such as laying hens, broilers, and dual-purpose breeds—have emerged.
Farmers can now raise chickens that produce more eggs or meat per bird than ever before by selectively breeding for these characteristics. This turns into higher profits for farmers because they can produce more food with fewer resources.
For instance, selective breeding has resulted in the creation of breeds of broiler chickens, which are raised for the production of meat, that mature more quickly and have a higher feed conversion ratio. As a consequence, they produce more meat per pound of feed used and achieve market weight more quickly, increasing farmer profits.
Similar to this, selective breeding of laying hens has produced breeds that produce more eggs annually, increasing egg output and farmer profits.
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Which of the following is most likely to be observed by a physiologist?
A) Bone, called osseous tissue, is the most rigid connective tissue.
B) Epithelial tissue is made up of one or more layers of tightly packed cells.
C) The nervous system is composed predominantly of neural tissue.
D) The oily secretions from eye ducts prevent the lids from sticking together.
Answers
Answer:
D) The oily secretions from eye ducts prevent the lids from sticking together.
Explanation:
All other options are related to anatomy.
If we define physiology then simple say that it is a branch of bio in which the normal functions of living organisms and their parts are studied.
what agent is needed for the reaction SO2-SO3
Answers
Answer:
In this step, the conversion of sulphur dioxide to sulphur trioxide is done by mixing SO2 with atmospheric oxygen to oxidise it to form SO3 in the presence of V2O5 as a catalyst.
Answer:
The answer is a catalyst, specifically vanadium(V) oxide, V2O5.
Explanation:
A catalyst is needed for the reaction SO2-SO3. A catalyst is a substance that speeds up a chemical reaction without being consumed by the reaction. The most common catalyst used for the SO2-SO3 reaction is vanadium(V) oxide, V2O5.
The reaction SO2-SO3 is a reversible reaction. This means that the products of the reaction can react back to form the reactants. The catalyst helps to shift the equilibrium of the reaction towards the products.
The reaction SO2-SO3 is an important industrial reaction. It is used to produce sulfuric acid, which is a major industrial chemical.
Contrast the H2O+ and OH- concentration between a solution with a pH of 2 versus a solution with a pH of 10?
Answers
a solution with a pH of 2 will have a pOH of 12, while a solution with a pH of 10 will have a pOH of 4. This means that the OH- concentration in a solution with a pH of 2 will be 10,000 times lower than in a solution with a pH of 10 (since 10^-12 is 10,000 times smaller than 10^-4).
What is pH?
pH is a measure of the acidity or alkalinity of a solution. It stands for "power of hydrogen" and is defined as the negative logarithm (base 10) of the concentration of hydrogen ions (H+) in a solution. The pH scale ranges from 0 to 14, with 7 being neutral. A pH value below 7 indicates an acidic solution, while a pH value above 7 indicates an alkaline (basic) solution.
In a solution with a pH of 2, the concentration of H+ ions is high, and the concentration of OH- ions is low. This is because at acidic pH levels, hydrogen ions are more abundant than hydroxide ions. Therefore, the H2O+ concentration will be higher in a solution with a pH of 2 than in a solution with a pH of 10.
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A study published in the journal nature in 2015 examined the DNA of early human populations and found that there had been many genetic changes in humans over the past few thousand years. this change most likely came as a response from?
Answers
Genetic Changes in humans over past thousands of years is called Evolution, It is change that occurs in an organism in course of time. Evolution is caused due to Variation that an organism acquires as response to adapt to its environment.
Evolution is the process by which an organism changes in course of time as response to its struggles they experience and these changes are called Genetic Variation. Organisms that acquire favourable variations will overcome the struggle for existence and become the fittest. The fittest individuals are selected by a process called Natural Selection.
What are the three forms of evolution?Displays the three forms of evolution: divergent, convergent, and parallel.
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Two organisms with striped fur mate and produce four offspring. Three of the offspring have striped fur but one has no stripes. The non-striped coat is probably what type of trait?
Answers
The non-striped coat is most likely a recessive trait.
What are recessive traits?Recessive traits are traits that are not usually expressed unless two copies of their alleles are present.
If the two organisms with striped fur mated and produced four offspring, and three of them had striped fur, we can assume that both parents were heterozygous for the striped fur trait. Assuming striped is S and non-striped is s:
S s
S SS Ss
s Ss ss
From the above Punnett square, we can see that there is a 25% chance of any offspring inheriting two recessive alleles (ss) and exhibiting the non-striped phenotype.
Therefore, the non-striped coat is likely a recessive trait.
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Hemophilia is inherited in humans as an X-linked recessive condition. A phenotypically normal woman whose father was hemophiliac marries a normal man. What is expected among their offspring?
Answers
Answer:
100% of the girls are expected to be normal, X+X+ and X+X-50% of the boys are expected to be normal, X+Y50% of the boys are expected to be hemophilic, X-Y75% of the whole offspring normal (X+X+, X+X-, X+Y)25% of the whole offspring hemophilic (X-Y)Explanation:
Due to technical problems, you will find the complete explanation in the attached files
In a certain breed of dog spotted fur color is dominant over solid fur color. Smooth fur is dominant over rough fur. If a heterozygous spotted colored dog with rough fur is mated to a solid-colored, homozygous smooth-furred dog provide the ratio of possible phenotypic outcomes.
a
1 spotted smooth : 1 solid smooth
b
3 spotted smooth: 1 solid rough
c
1 spotted smooth: 1 solid smooth: 1 solid smooth: 1 solid rough
d
1 spotted smooth: 1 spotted rough
Answers
The possible phenotypic outcomes and their ratios are:
Spotted smooth: 1 SsPp
Solid smooth: 1 ssPP
The genotype of the heterozygous spotted-colored, rough-furred dog is SsRr, where S is the dominant allele for spotted fur color, s is the recessive allele for solid fur color, R is the dominant allele for rough fur, and r is the recessive allele for smooth fur.
The solid-colored, homozygous smooth-furred dog's genotype can be expressed as ssrr.
The offspring's phenotypic ratio can be computed by counting the number of individuals with each phenotype and expressing the result as a ratio. The various phenotypic outcomes and their ratios in this scenario are:
1 smooth-furred spotted: 1 smooth-furred solid
1 solid, rough-furred: 3 spotted, smooth-furred
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What are primary consumers?
Answers
Answer:
herbivores
Explanation:
they eat only primary producers, such as plants and algae
Answer:
Primary consumers make up the second trophic level. They are also called herbivores. They eat primary producers—plants or algae—and nothing else.
Explanation:
For example, a grasshopper living in the Everglades is a primary consumer.
Type the correct answer in the box. Spell all words correctly.
What is a close relationship between two organisms that live together called?
The close relationship between two organisms that live together is called
Reset
Next
Answers
Answer:
symbiosis.
Explanation:
The term that you are referring to is symbiosis. (a symbiotic relationship)
Symbiosis is a proximate and often long-term interaction between two or more different biological species.
How many proteins are encoded in one mRNA transcript? A. one B. seven C. twelve D. twenty-five
Answers
Answer:
A)One
Explanation:
Each molecule of mRNA encodes the information for one protein (or more than one protein in bacteria), with each sequence of three nitrogen-containing bases in the mRNA specifying the incorporation of a particular amino acid within the protein.
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One protein is encoded in one mRNA transcript. The correct option is A.
The genetic code needed to create a single protein is typically carried by a single mRNA transcript.
Ribosomes, which read the genetic code in sets of three nucleotides called codons, translate the mRNA molecule as part of the protein synthesis process.
The order of the amino acids in the protein that is produced depends on the codon sequence along the mRNA.
Each codon designates a certain amino acid. Therefore, the information required to create a single unique protein is encoded by a single mRNA transcript.
Thus, the correct option is A.
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Does a chameleon eat a grasshopper?
Answers
Answer:
Explanation:
Chameleons are generally known as insectivores – carnivorous by nature. Depending upon the size and type of the chameleon the type of insects can be different. But, most of the chameleons eat grasshoppers, crickets, silkworms, flies, and cicadas.
which of the following species should contain genes that are responsible for mitochondrial proteins and are therefore evolutionarily related?
Answers
It should be possible for species of apple tree, butterfly, rabbit, and flamingo to share genes that code for mitochondrial proteins due to their shared evolutionary history.
The mitochondria are the powerhouse of the cell, where the metabolic processes of respiration and energy production take place. ATP is produced as a kind of energy.ATP synthase and the electron transport chain are processes that are controlled by specific protein complexes that are encoded by mitochondrial DNA. Muscle cell generation of ATP (energy) will be impacted by a mutation in the mitochondrial genes.The circular chromosome known as mitochondrial DNA can be found inside the cellular organelles known as mitochondria. The mitochondria, which are found in the cytoplasm, are where the cell produces energy and performs other metabolic tasks. Children receive mitochondria from their mother, and as a result, mitochondrial DNA.To know more about mitochondrial proteins
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AUUUAACUGUUCUGUCUAGAG
1. Construct an Explanation Based only on the information provided, why could the
mRNA section be translated into three different sets of amino acids, instead of just one
set?
2. Use Models Use the genetic code to translate the sequence into each of the three
possible sets of amino acids.
3. Draw Conclusions Which of the three sets of amino acids is the most likely to be
included in the polypeptide? Explain your reasoning.
Answers
Answer: three sets: ile. leu,phe,cys,leu,glu. glu,ile,cys,leu,val,asp,leu
The most likely sequence to be included is the R to L read, because of the STOP codon if read L to R. The lone ile would be the last amino acid of a different polypeptide, and there is no promoter sequence after the STOP codon.
Explanation:
auu,uaa,cug,uuc,ugu,cua,gag
Ile,STOP,leu,phe,cys,leu,glu
glu,ile,cys,leu,val,asp,leu (reverse)
After a STOP codon, a DNA promoter is required
Codons are the trinucleotide sequence found in the DNA and RNA. These codons code for specific amino acids and describe the relationship between the nitrogenous bases of the DNA.
1. Codon is the set of three nucleotides, in which amino acids can be coded by different codons.
In the given sequence, the mRNA can translate the sequence into more than one set as the sequence must contain a promoter and a stop codon.
2. In the given set, the possible amino acid sequences can be given as:
Glutamic acid, isoleucine, cysteine, leucine, valine, aspartate, leucine
Isoleucine, Ochre, Leucine, Phenylalanine, Cysteine, Leucine, Glutamic acid
3. The codon sequence, which has a promotor sequence after a stop or start codon will have more chances to be translated during the process.
In the given sequence:
Isoleucine, Ochre, Leucine, Phenylalanine, Cysteine, Leucine, Glutamic acid
The polypeptide will be stopped due to the presence of a stop codon in the polypeptide.
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