What is this ^ called

Mosses, lichens and shrubs can be found where in russia? a.grasslands b.mountain regions c.coastal plains d.siberian tundra

Acharreadas is a popular mexican thing where people display varying skills of horsemanship much like what events in the united states?

Which phrases describe oxygen's roles in earth’s atmosphere? check all that apply. allows fuels to burn forms clouds that produce rain is the gas that animals breathe is used by plants to produce food forms ozone that absorbs the sun's harmful rays