Which of the following causes air masses to move around the globe and generates wind?

Unequal heating of Earth's surface

Equal heating of Earth's
surface

Deep ocean currents
Wind patterns from the Southern Hemisphere

Which of the following are causes of coastal erosion? check all that apply. beach grasses and other plants trap windblown sand. wave action carves away the coastline. groundwater under pressure is forced to earth’s surface. artificial structures stop the natural flow of sand along the coast. underground caves collapse as bedrock is dissolved.

What are the student's observations and inferences before he starts his investigation?

Select the correct answer.what is the observable characteristic of a person called? o a. genotypephenotypeoc.alleleo d.gene