A dam is a structure built across a stream or river to hold water back. Dams can be used to store water, control flooding, and generate electricity.
Answer: D
Explanation: it’s the size of the sediments
It is 3, just because he doesn’t have it, doesn’t mean he isn’t a carrier for it
Answer:
Fishing down the food web is the process whereby fisheries in a given ecosystem, "having depleted the large predatory fish on top of the food web, turn to increasingly smaller species, finally ending up with previously spurned small fish and invertebrates".