Answer: the dam cause no more fertile soil to enter in to farmers land for growing crops hope this helps :)
Explanation: this dam has caused a big change to the lifes of farmers downstream from the dam. Usually when the river flooded once a year before the dam was built. It deposited fertile soil from upstream on its banks downstream. This washed up soil was extremely furtile, and renewed itself every year at in flood season. But now, since the dam was built the annual flood has been stopped. Causing all the farmers downstream to have to use fertilizers to grow their crops, which makes it more expensive.
Yes, it's correct, because carbohydrates are the main source of energy. It's an organic molecule that consists of carbon, hydrogen and oxygen atoms.
Hey Gary!~ C: Disruptive selection is the correct response, and the graph displayed has the typical shape of a population that has undergone this type of selection. Good luck on your exams! (✿◕ ‿◕ฺ)ノ))。₀: *゜
