Someone pls help 30 points pls help

Select the word from the list that best fits the definition a mountain range in northeast central asia answer is altay shan

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

Where did the solar system come from?