Geography question below, first correct answer gets brainliest

Largest layer of atmosphere international space station orbits ultraviolet radiation causes ionization the phrases describe what layer of earth's atmosphere?

This desert is found in the northern part of africa and covers 3.5 million square miles.

The rainforest contains half of the earth’s wildlife and at least two thirds of its plant species. it can hold great quantities of water and is very important to the planet’s water cycle. rainforests remove vast amounts of co2 from the atmosphere and replace it with oxygen. which of the following statements best summarize the above information about rainforests? a) the majority of the planet’s oxygen is generated from the rainforest. b) two-thirds of all plants originated from the rainforest. c) the rainforest is a major catalyst for the planet’s water cycle. d) the rainforest is important to life as a whole on the planet.