Why are no rocks found that date from the first 800 million years of Earth's existence?

True or False?: A protostellar cloud spins faster as it contracts, even though its angular momentum stays the same. a) True, angular momentum is conserved and if the cloud contracts, it must spin faster.

The state of colorado covers about 1.04 x 10^5 square miles. the indian ocean covers about 2.808 x 10^7 square miles. how many times bigger than colorado is the indian ocean?

What factors have reduced air pollution in Western Europe

How does the presence of water affect the melting temperature of a rock?

Gases take up a lot of space because a. they have weak chemical bonds. b. their molecules have very little attraction for one another. c. they contain very few atoms. d. they have a small molar mass.

The widespread presence of banana plantations in central america region has resulted in increased standard of living

Which of these has been the result of human activity? a) glaciers melt more b) volcanoes erupt more landslides happen more d) earthquakes happen more

Which types of stars have extremely intense gravitational and magnetic fields?

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