Answer: because oil is less dense than water and therefore it floats to the surface.
Explanation:
Well, historical events is a broad subject, but there are specific events that could contribute to how we value and think about the environment. for example, events as broad as wars or as specific as the gulf of mexico oil spill contributes to the way we treat our environment. and, as a society, we know about global warming and pollution, and if we analyze mistakes we made in our past through events, it could be possible that it benefits our relationship and care for the environment in the future.
<span>B. tiny structures in the cell that carry out the cell's activities</span>
Answer:
Some factors that might causes changes in the population of grasshoppers are:
1. Weather
2. Cultivation
