The answer is a. accessible population because an accessible population is the portion of the target population to which the researcher has reasonable access.
Here one of the answer Red Cedar Tree
In multicellular organisms, the shape of the cell helps determine its function. For example, red blood cells are donut-shaped to easily exchange oxygen and freely pass through narrow blood vessels while nerve cells are long so when connected to other nerve cells they can span long distances in the organism
If the Earths polar Ice melts the ocean levels will increase because of the increased amount of water. Some peninsulas and islands would decrease because they would sink from the risen water.
People who don't exercise get injuries because their body is not used to it so they will not perform well.