[OSS.01]Which of these diagrams best shows Ptolemy's geocentric model of the solar system?
Sun

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.

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

This is a biological reaction due to a stimulus. i need this quickly !