67 million years ago in the form of phyollths (small sllica flecks in grass that make it difficult to digest)
Nonpoint source pollution is a greater hazard, because scientists are not able to identify a single location the pollution came from. It is harder to find a solution if they are unable to find the source.
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Answer:
B. Fertilizer can affect the growth of bean plants.
Explanation:
due to the observation. They observed that these plants, on average, were taller than another population of the same kind of bean plants that were not treated with fertilizer
