Why might a river that was eroding and depositing sediment along its sides start to cut into Earth to form a canyon?

The milky way galaxy is best described as

Light cannot escape the intense gravitational pull of A black dwarf B red giant C main-sequence star D black hole

3. In India, the government favors the building of dams in order to A. reduce dependency on irrigation. B. provide systematic irrigation. C. reverse the effects of salinization. D. invite foreign investment.

What was the greatest impact of social media on the revolution that followed the Iranian presidential election of 2009? A. It was used by the public to organize political protests. B. It was used as a platform to discuss new political campaigns. C.

As humans continue to use fossil fuels as a primary source of energy, the amount of carbon entering the atmosphere from fossil fuel combustion will continue to increase dramatically.

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

What type of economic system involves supply and price regulated by the government?