Answer:
Evolution
Explanation:
Evolution is a gradual change in a population that occurs overtime in a species.
Answer:
The answer should be B
Explanation:
The nucleus has the genetic code to make protein.
River water contains minerals and nutrients that can be beneficial to plants on the land, helping them to grow.
If a flood occurs in the natural rubber environment, it will ruin the rubber production process. The flood would damage a huge percentage of rubber trees if there was a large quantity of restriction. This natural rubber is required for the production of synthetic polymers. Without the rubber, there would be a restricted supply and a significant decline in synthetic polymers due to ecological damage caused by the flood.