Which part of the sun can you see only during an eclipse?

a) chromospheres

b) sunspot

c) corona

d) photosphere

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 a gymnosperm prevent itself from pollinating the same tree

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions