Which theory suggested that the earth was once a single "supercontinent" that gradually broke up into the continents that we know today?

continental drift theory

subduction

plate tectonics

seafloor spreading

The name of the ocean was given by F. Magelan

The first democracy was called a. Indirect representation b. representative democracy c. direct democracy d. the great charter

In a rear-end collision the head is accelerated faster and harder than the torso, this is known as?

A person's lifestyle is affected both by the climate and his ideological beliefs. True False

The daily insolation received at 90*N in June is so high because:1. The sunlight is most concentrated at this latitude 2. The sun rays are most oblique at this latitude 3. There are never clouds at the north pole in June4.

What happened in Russia as a result of actions taken by Peter the great

At independence, the most prosperous country of former French Western Africa was A. Chad B. Senegal C. Côte d'Ivoire D. Benin

Why is mexico city the capital of mexico?

Why do deserts form around areas near the tropics but not the equator

Which of the following is not an object in our solar system? Star Black hole Asteroid Comet