Answer:Carbon dioxide accounts for most of the nation's emissions and most of the increase since 1990. Transportation is the largest source of greenhouse gas emissions in the United States, followed by electricity generation.
Explanation:
Answer:
Plasma Membrane is like all other cellular membranes, the plasma membrane consists of both lipids and proteins. The lipid bilayer (or phospholipid bilayer) is a thin polar membrane made of two layers of lipid molecules
The first type of true cell on earth is bacteria
Answer: C. Earths rotation on its axis
Explanation:
A P E X I got it right but could be different for some
Defective receptor on a cell membrane would have the least effect on Diffusion.
