What era were the rocky mountains and himalayas mountains formed? PLEASE HELP IDK IT

Describe how ocean currents can affect a moving object ❕❕❕

What must happen for new french words to be published in official dictionaries? a. they must be approved by the french academy b. they must be voted on by the people of france c. they must be used by famous french writers d. they must be used by philosophers a. they must be approved by the french academy

Acanyon on the ocean floor at which the crust bends downward is called a(n)