which geologic period lasted for almost 7/8 of earth's history?

What is fractions of 4/20

Do you think it is important for families to be involved in education

Miss brooks made 27 cookies for a bake sale she puts three cookies in each bag if 4 bags were sold how many bags are left

What's the difference between cyclones and hurricanes

How can the chain of islands that make up Hawaii be used to show the direction the plate beneath them moving?

5x-4+21+90=180, what is it?

Which statement is NOT true of North Korea A. It is generally believed in North Korea possess nuclear weapons B. North Korea limits trade with each other continental neighbors, China and Russia C. Low-lying mountains cover its northern region D.

Why are oxygen concentrations in the deep waters of the North Atlantic higher than the concentrations found in the deep North Pacific?

By what year will 2/3 of the world's population lack access to clean drinking water?

How Dawlish Warren is formed