The answer is A because it is the best answer that the students gave.
Answer:
so that the food chain won break and we all don die
:)
Explanation:
Answer:
B
Explanation:
Cumulative means that someone came up with an idea first and someone later built an idea off of that. Kepler basing his laws off of Newton's laws is the only option that uses cumulative knowledge. Everything else is either completely independent or working together neither of which is cumulative.
Answer:
c lower oxygen levels
Explanation:
the higher up the person is the closer to the atmosphere so there is less oxygen
Answer:
They are released into a river, lake, or ocean.
Explanation: