Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below?

ii. seasonal migrations of millions of wildebeests, zebras, and elephants

iii. large numbers of predators, such as lions

iv. acacia trees and grasses

a.

the congo rainforest

b.

the african mangroves

c.

the serengeti grasslands

d.

the sahel

How did the russian revolution impact world war i? a) the russians required the allied powers to come to their aid and defeat the radical groups. b) the russians pulled out from the war, enabling the germans to focus on the western front. c) the russians created new technological advancements that were used by the allied powers to win. d) the russians created a new communist government that aligned with the central powers instead.