When did the precambrian Era begin and end

How did earth and other planets form

How does climate affect where people live in North America?

Burning fossil fuels and wood increases the amount of (what) in the atmosphere.

What are the top two economic activities in Maldives

What ny lake is sometimes referred to as the finger that is known in humans to have opposition and apposition movements?

Are you more likely to see a tsunami forming in the deep ocean or near the coast?

Which region on the graph above has a population growth approaching 0?

Why do some countries have to adopt more than one standard time?

Discuss what Alred Wagener proposed when he published 'Origins of continents and oceans'. Use evidence that he collected in your answer. (try to give at least 3 sentences)

South american country at 0 degrees latitude