What is the crest of a wave? the distance between two wave troughs the speed of energy of the wave the highest part of the wave the lowest part of the wave

Which volcanic eruption caused the most deaths

Me plzzz what is the ratio of water than falls on land as compared to the amount that falls onto the oceans? what role do clouds play in regulating earth’s energy balance? me plzzz

Describe the characteristics of the nile river and the river’s importance to the people of egypt. write a paragraph of at least 5 complete sentences.