How does flooding affect rivers?

a. it causes river bends to be cut off

b. it picks up deposits from floodplains

c. it causes rivers to divert

d. it causes river channels to change shape

D. It causes river channels to change shape

Explanation:

When a flood happens, it can cause many changes in the river. One of the changes is that river channels change the shape. Some of the rivers change forever. Sediments and big amount of water they contain are shaping the channels. The capacities of the channels change.  This has an indirect impact on the ecosystem.

A flood happens when a big amount of water enters the river very fast. Also, steep places are flooded more quickly than plains, which can bring to changing of the river route.

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: