*PLEASE HURRY IM BEING TIMED*

Which events are associated with convergent boundaries? Select three options.

A) formation of island chains
B) creation of mid-ocean ridges
C) creation of new mountains
D) formation of rift valleys
E) formation of volcanoes

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