Answer:
A. Student A because it requires a hypothesis
It should be a food web, because there are various producers and consumers, and the bears and humans eat each other
Answer:
A point mutation with occur.
Explanation:
This quesiton might need more info but in general a point mutation will occur.
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:
A hydrogen bond is the electromagnetic attraction between polar molecules in which hydrogen is bound to a larger atom, such as oxygen or nitrogen. This is not a sharing of electrons, as in a covalent bond. Instead, this is an attraction between the positive and negative poles of charged atoms.
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