Answer:
It would affect all organisms on the planet and the food cycle would be ruined.
As you travel from the North Pole toward the equator, you would expect to see tundra; grasslands; tropical rain forest. The correct option among all the options that are given in the question is the first option or option "a". I hope that this is the answer you were looking for and it has come to your help.
The river had been called <span>"river of sorrows" due to its constant flooding during its earlier civilizations. </span>
C. Saudi Arabia is the answer.
