Answers
Answer:
I believe the sky is blue because of the sun's light rays reflecting off of the ocean.
Explanation:
Related Questions
Please hurry its timed
Answers
Answer:
I feel like its combustible
In a serie Human Body. As a species, we have endured massive changes in our surroundings. What has always been our greatest challenge?
Answers
Answer:
Evolving terrestriality
Explanation:
The evolution of modern humans from our hominid ancestor is commonly considered as having involved four major steps: evolving terrestriality, bipedalism, a large brain (encephalization) and civilization.
PLEASE HELP WILL MARK BRAINLIST WHEN I CAN. Why is it important that you keep two variables constant (such as light level and color) while you're testing how a third variable(CO2 level) affects photosynthesis
Answers
In order to isolate the impact of the third variable, it is crucial to maintain the other two constant while examining how they affect photosynthesis.
How \(CO_2\) levels affect photosynthesis?To ensure that any changes in photosynthesis we detect are due to changes in CO2 and not other variables, we must maintain the same levels of other variables, such as light intensity and colour, because in this situation, we are interested in how CO2 levels affect photosynthesis.
We wouldn't be able to tell whether any modifications in photosynthesis were brought on by changes in CO2 or by changes in light or colour if we changed the light intensity or colour while measuring CO2 levels. We can be more certain of our findings and reach more precise conclusions regarding how CO2 affects photosynthesis if we hold these variables constant.
Therefore, it is essential to keep the other two constant while analyzing how they affect photosynthesis in order to isolate the effect of the third variable.
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Organisms participate in group behaviors in order to survive. Which statement best describes how this relates to reproduction?
A. Increased chances of reproduction means increased chances of the individual's survival.
B. Increased chances of survival means increased chances of successful reproduction.
C. The offspring of individuals that reproduce outside of a group are more likely to survive.
D. Individuals that survive outside of a group are more likely to reproduce.
Answers
B. Increased chances of survival means increased chances of successful reproduction.
Organisms that participate in group behaviors, such as hunting or socializing, often have an increased chance of survival compared to those that live in isolation. This increased chance of survival leads to increased opportunities for successful reproduction, as individuals that survive longer have more opportunities to mate and produce offspring. Therefore, group behaviors can be seen as a means to an end of successful reproduction, rather than an end in and of themselves.
What is the test variable in science
Answers
Answer:
Anything that can change
Explanation:
explain the significance of pumping CO2 gas into a greenhouse system
Answers
Pumping CO2 gas into a greenhouse system is significant for several reasons. Greenhouse gases like CO2 are essential for plants to carry out photosynthesis, which is the process by which they convert sunlight into food. By adding CO2 to a greenhouse, it can help to increase plant growth and yield.
Here are some reasons why pumping CO2 into a greenhouse system is important:
Increased photosynthesis: Photosynthesis is a chemical process in which plants use sunlight to convert carbon dioxide and water into glucose, a form of sugar that is used as food. The addition of CO2 to the greenhouse system can help to increase photosynthesis, which means that plants will produce more food. This can result in faster growth, bigger plants, and higher yields.
Improved plant health: CO2 is essential for plant growth and can help to improve the overall health of the plants. By adding CO2 to the greenhouse system, it can help to create an environment that is more conducive to plant growth. This can lead to healthier plants that are less susceptible to disease and pests.
Improved crop yields: One of the most significant benefits of pumping CO2 into a greenhouse system is that it can increase crop yields. By increasing the amount of CO2 in the air, plants are able to produce more food, which can result in bigger, healthier plants with larger yields. This can be particularly beneficial for commercial growers who rely on high yields to generate income.
In summary, pumping CO2 gas into a greenhouse system is an effective way to improve plant growth and yield. By increasing the amount of CO2 in the air, plants are able to carry out photosynthesis more efficiently, which can lead to healthier plants and higher crop yields.
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12. For an XX female to express a recessive sex-linked trait, she must have
A. Y chromosome
B. an inactive allele
C. two recessive alleles
D. two dominant alleles
Answers
Which of the following body systems interacts with the circulatory system to get rid of wastes found throughout the body?
A.
the digestive system
B.
the urinary system
C.
the nervous system
D.
all of these
Answers
Answer:
the urinary system is the answer
Answer:
B
Explanation:
B. the urinary system
When Stern and von Liszt worked together in 1901 investigating the suggestibility of witnesses, they exposed student participants to staged events and then asked them to give information about what they saw/experienced. What did they find?
Answers
The results of von Liszt's experiments on the suggestibility of witnesses in 1901 have important implications for the accuracy and reliability of eyewitness testimony in legal proceedings.
What is the significance of the von Liszt experiment?Von Liszt and colleagues conducted a series of experiments to investigate the suggestibility of witnesses, which involved exposing student participants to staged events, such as a staged theft, and then asking them to provide information about what they had seen or experienced. The findings have explained the accuracy and reliability of eyewitness testimony in legal proceedings.
Hence, the results of von Liszt's experiments on the suggestibility of witnesses in 1901 have important implications for the accuracy and reliability of eyewitness testimony in legal proceedings.
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Which season is occurring in Earth's northern hemisphere when Earth's southern hemisphere is tilted toward the sun? A. Spring B. Fall C. Winter D. Summer
Answers
Answer:
A) Winter
Explanation:
How is the nitrogen cycle important to humans?
A.It produces free nitrogen that humans can breathe.
B.It converts nitrogen into a form that humans can obtain by eating other organisms.
C. It produces nitrogen compounds that humans can breathe.
D. It converts nitrogen into a form that humans can obtain by absorbing it through their skin.
Answers
The nitrogen cycle is important to humans in the following way: it converts nitrogen into a form that humans can obtain by eating other organisms (option B).
What is the nitrogen cycle?Nitrogen cycle is the natural circulation of nitrogen in a series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.
During the nitrogen cycle, atmospheric nitrogen is converted to nitrogen oxides by lightning and deposited in the soil by rain, where it is assimilated by plants and either eaten by animals (and returned as faeces) or decomposed back to elemental nitrogen by bacteria.
The usable form of nitrogen that is assimilated by plants becomes accessible to humans when they consume the plants, hence, depicting the importance of the nitrogen cycle.
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A newly formed natural lake most likely receives water from glaciers or mountain
streams and may not have a large supply of nutrients from plants. This type of
lake is
bitrophic
eutrophic
polytrophic
oligotrophic
Answers
Answer:
If i'm not mistaken the answer is eutrophic
Explanation:
The algae has no plants to feed on and in turn makes them feed of oxygen and makes less suitable for any type of plant life.
A certain population of flowering plants depends on bees for pollination. What will happen to this population if there is an increase in the number of pollinating bees?
A.
The population will not change.
B.
The population will not be able to reproduce.
C.
The population will decrease.
D.
The population will increase
Answers
If there is an increase in the number of pollinating bees, then D. The population will increase.
What is the natural process phenomenon of pollination?The natural process phenomenon of pollination refers to the fecundation mechanism in plants that involves the transport of pollen by means of insects from one plant to another, thereby it is associated with an increase in the number of plants.
Therefore, with this data, we can see that the natural process phenomenon of pollination is based on the movement of bees that carry out pollen.
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Answer:
the answer is increase
Explanation:
i had this one be for
How does mitosis introduce genetic variation into offspring
Answers
Answer:
it is when a domminant allele mixes with a recesive allele creating a new pattern or genetic variation such as spot colors of a dog
Which of the following statements about human society and limiting factors is true?
a. Modifications made to the environment to reduce the impact of limiting factors can cause
disruption to the natural balance of an ecosystem.
b. Humans cannot modify their environment to adapt it to their needs.
c. Humans can completely overcome the factors that limit population size.
d. Limiting factors are of no concern to human society, because they do not affect human
populations
Answers
The statement that is true about human society and limiting factors is "Modifications made to the environment to reduce the impact of limiting factors can cause disruption to the natural balance of an ecosystem." The correct option is A.
What are limiting factors?Limiting factors are the factors that limit the growth of populations. For instance, the limiting factors for humans might be a lack of food or water. Limiting factors may be biotic or abiotic. Abiotic factors include nonliving aspects like temperature and rainfall while biotic factors are the living aspects like predators and competition.
Modifications made to the environment to reduce the impact of limiting factors can cause disruption to the natural balance of an ecosystem. These modifications include the introduction of a new species, the clearing of land for agriculture or industry, or pollution.
The new species can lead to the elimination of the native species, the clearing of land can cause habitat loss, and pollution can have numerous effects like air and water pollution.
Therefore, the correct option is A.
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Which phase of meiosis I is responsible for dividing the cytoplasm?
prophase I
metaphase I
anaphase I
telophase I
Answers
Answer:
The answer is telophase.
Explanation:
The correct answer is Telophase I
in our first 2 decades of living how much food have we digested
Answers
Answer:
The diet of the earliest hominins was probably somewhat similar to the diet of modern chimpanzees: omnivorous, including large quantities of fruit, leaves, flowers, bark, insects and meat (e.g., Andrews & Martin 1991; Milton 1999; Watts 2008).
Which of the following requires constant agonist-antagonist muscle contractions?
Core integration
Postural development
Dynamic balance
Neuromuscular strength
Answers
Answer:
Postural development
Explanation:
The agonist muscles are sets of muscles responsible for causing joint motion, whereas antagonist muscles are muscles that directly opposite agonist muscles (i.e., antagonist muscles generate an opposing joint torque to the agonist muscles). In a given movement, agonist muscles exhibit concentric contractions while antagonist muscles show eccentric contractions in order to stabilize the joint. Postural development is achieved by concerted adjustments of dorsal muscles and ventral muscles. The dorsal muscles are activated when the body sways forward and the muscle fascicles shorten. During backward sway, these muscles lengthen, while ventral muscles are primarily activated.
Dynamic balance is the condition that requires constant agonist-antagonist muscle contractions.
The agonist-antagonist muscle contraction is the movement where one muscle contracts while the other muscle is relaxing or lengthening. The muscle contracts are agonist whereas the muscle that relaxes is the antagonist here.
Core integration: In such conditions, the constant movement of muscle contraction and relaxation does not require. It is a specific movement and increased stability of the movements.Postural development: continuous development and growth of postural muscles comprising the nervous systemDynamic balance: It would be the ability to balance in motion or changing positions. In this case, muscles require constant both agonist and antagonist contractionsNeuromuscular strength: motor commands according to the central nervous system to the ability to move in the nervous system, hence it does not require constant muscle movements.Thus, the correct answer is - Dynamic balance.
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the table shows data collected on pH level of an Adirondack lake from 1989 to 1996.
describe the the trend in pH level in lake over this 16 year period.
___________________________________________________________________________
Year pH level
1989. 6.7
1984. 6.3
1986. 6.4
1988. 6.2
1990. 5.9
1992. 5.6
1994. 5.4
1996. 5.1
Answers
The lake's pH has become acidic; in 1989, it was 6.7; by 1996, it had dropped to 5.1. This shows that the increase in the acidity which has several bad impacts on the lake water ecosystem and its community.
What happens when the freshwater becomes acidic?The freshwater ecosystem differs from the oceanic saltwater ecosystem in that freshwater contains phytoplankton, edible fish, and so on. The fresh water has a normal pH, but the pH decreases and induces acidity when the water is polluted with different chemicals, such as nitrogen oxide, sulfur dioxide, etc.
When acid rain happens due to man-made pollution, this further adds acidity to the fresh water, and as a result, the species that live in the lake are not able to live and breathe properly due to a lack of oxygen. The acidity in the table increased year after year from 1989 to 1996.
Hence, the acidity of the lake increased and the pH decreased in these years, from 1989 to 1996.
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Thinking like a scientist, you predict that washing your jeans more often will cause them to fade faster than a pair you wash fewer times. What would be your next step if conducting a scientific investigation?
A. test the hypothesis.
B. analyze the observations.
C. ask a question.
D. make a prediction.
Answers
Answer:
I think B is right answer
The proposed explanation for a process or activity follows a scientific method and sequential steps to test the same.
The correct answer is:
Option B. Analyze the observation
The hypothesis can be predicted as:
1. The first process for an experiment to be verified is to ask a question.
2. The experiment then should be followed by gathering information and doing some research.
3. The process after doing research is to analyze the observation and formulate an answer based on it.
4. The next step is to make a prediction and then refine the hypothesis.
Thus, the next step for doing a scientific observation will be analyzing the outcomes.
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A student is conducting their science experiment on the effect of caffeine on dogs. He has 3 groups of test subjects. The 1st group of dogs receives plain water. The 2nd group of dogs receives 10 mg of caffeine each, and the 3rd group receives 50 mg of caffeine each. He will measure their activity levels by recording how long each dog runs without stopping, after giving them the pills. What is the dependent variable in this experiment?
Answers
Answer:
The amount of activity
Explanation:
In an experiment, the independent variable is the variable that the scientist/investigator purposely changes or manipulates, which isn't changed by other variables in the experiment (in this case, the amount of caffeine). On the other hand, the dependent variable is the variable that is being measured or tested during the experimental procedure (this variable is 'dependent' on the independent variable). Finally, the control group is defined as the group of individuals/subjects who do not receive the experimental treatment (in this case, the dogs that receive water).
Answer: The amount of activity.
Explanation:
What is the definition of the length constant? What does the length constant tell you in terms of the electrical signal? Neurons are designed to maximize the length constant – why? What aspect of a neuron’s cable properties are manipulated to maximize the length constant? How are neurons modified (i.e. what is done to the structure of the neuron) to maximize the length constant?
Answers
Answer:
The overview of the given problem is outlined in the following section mostly on explanation.
Explanation:
The constant length seems to be a constant value which used to measure the distance between the grade electron density and the neurite through passive electron flow. The larger the quality of the distance constant, the faster the potential goes, throughout consideration of the electronic current.
The electronic replacement through one potential from neighboring areas including its cell will lead with the spatial description by a broad constant of length. This length decreases with either the size of that same neuron rising.The length constant, means of characterizing how much continuous current that flows extends until it bursts out from the axon, despite constants of limited period meaning leakier axons. The resistance of that same membranes should be just as efficient as possible as well as the tolerance of its axoplasm or extracellular media must be weak to enhance the efficient movement of current via an axon.why do all kids come out white
Answers
Answer:
To be honest, I'm not sure anyone would know the answer to that,
Explanation:
Correct Amino Acid Sequence A. Methionine, Alanine, Proline, STOP B. Tyrosine, Arginine, Glycine, Threonine C. STOP, Arginine, Proline, Valine D. Isoleucine, Aspartic Acid, Histidine, Tryptophan
Answers
The information to determine the correct amino acid sequence is not found here but it can be resolved by using the genetic code.
What is the genetic code?The genetic code is a series of instructions specifying amino acids according to a nucleotide sequence.
The triples of nucleotides or codons in DNA (and mRNA) indicate specific amino acids that will be added to the growing polypeptide chain.
In conclusion, the information to determine the correct amino acid sequence is not found here but it can be resolved by using the genetic code.
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Please do not answer if you don't know this is a final I really need to pass 
Answers
A
i learned this last year
also pls give brainliest
How many Hydrogen atoms are in the chemical equation 3H20
a. 3 Hydrogen atoms
b. 2 Hydrogen atoms
c. 7 Hydrogen atoms
d. 6 Hydrogen atoms
Answers
Answer:
A. 3 Hydrogen atoms
Explanation:
a self published print publication is known as a. blog b. webcomic c. website or d. zine
Answers
Answer:
a.blog
Explanation:
A self-published print publication is known as a Blog. A further explanation is provided in the below section.
Blog
A website generally comprises the writer's existing online observations or thoughts, remarks, as well as frequent connections, pictures, including visual images or videos.
It is indeed an arena during which a blogger or maybe even a collection of authors may express their thoughts on a specific topic.
Thus "Option a" is correct.
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What is the taxonomy order of the dove Orchid
Answers
Answer:
Peristeria elata is a species of orchid
Explanation:
:P
~Vee
Answer:
Your answer is, Peristeria.
Explanation:
Peristeria is a genus of plants of the family Orchidaceae commonly called dove orchid or Holy Ghost orchid. In line with the common name, the genus' name is from the Greek word peristerion meaning "from dove". According to the Royal Horticultural Society, Per is the official orchid abbreviation for this genus. In nature, it is found across much of South America as well as in Panama, Costa Rica and Trinidad.
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I hope this helps you :)
pls mark brainleist :P
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w/ <3...
Tori
Write extensively the 3 main constituent of DNA
Answers
Answer:
A single nucleotide is made up of three components: a nitrogen-containing base, a five-carbon sugar, and a phosphate group. The nitrogenous base is either a purine or a pyrimidine. The five-carbon sugar is either a ribose (in RNA) or a deoxyribose (in DNA) molecule.
Explanation:
How does stratospheric ozone vary on Earth? (1 point)
O Levels are higher near Antarctica than near the Arctic.
O Levels are higher near the equator than near the poles.
O Levels are higher near the equator than near the Arctic.
O Levels are higher in mid-latitudes than near the equator.
Answers
The stratospheric ozone vary on Earth because the levels are higher near the equator than near the poles.
What is stratospheric ozone?Stratospheric ozone is an atmospheric layer of the earth that naturally filters the ultraviolet radiation from the sun.
High concentrations of stratospheric ozone are found at altitudes from 26 to 28 km of the equator and from about 12 to 20 km toward the poles.
Therefore, the stratospheric ozone vary on Earth because the Levels are higher near the equator than near the poles.
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Answer:b
Explanation: