Because tropical levels used to be broken because temperatures hasn't varied in the years and history of global temperatures and history.
A A because it look like the definition
Decomposer hope this helps
Answer:The fluid mosaic model describes the cell membrane as a tapestry of several types of molecules (phospholipids, cholesterols, and proteins) that are constantly moving. This movement helps the cell membrane maintain its role as a barrier between the inside and outside of the cell environments.
Explanation:
