Hypothesis.
A Hypothesis is an estimation of what might happen and the student's observation before moving on to investigate.
The primary difficulty is the fact that we do not know all of the organisms that currently exist in the world along with those that existed in the past.
The answer is b i did the quiz
Answer:
Human activities contribute to climate change by causing changes in Earth's atmosphere in the amounts of greenhouse gases, aerosols (small particles), and cloudiness. The largest known contribution comes from the burning of fossil fuels, which releases carbon dioxide gas to the atmosphere
Explanation:
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➷ The structure that provides the best surface for diffusion to occur is the bronchioles.
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