B) Proteins
Lipids and Carbohydrates only contain carbon, hydrogen, and oxygen.
Unsaturated fats are a type of monomer for lipids, meaning they as well are only made up of carbon, hydrogen, and oxygen.
Answer:
B.soil that is frozen solid all year
C.summer thaws combined with frozen permafrost
D.the overflow of a large lake each summer
pretty sure you are wrong fella , the answer is actually c) high winds lol your welcome
D. Differences in the amount of recent exercise seems the most accurate however the answer could be any of them.
But my guess is D
