Answer: Lipids provide long-term energy storage for the body, while carbohydrates provide quickly available energy.
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Answer: water
Explanation: Water is everywhere and required to survive, so water would be the most abundant compound.
Answer:
B
Explanation:
I would say this because the pulmonary circulation only transports deoxygenated blood. And this blood gets transported to the lungs so the lungs can absorb oxygen and release carbon dioxide. I am not sure about this one though. This is what I think.
Explanation:
Most genes contain the information needed to make functional molecules called proteins. (A few genes produce regulatory molecules that help the cell assemble proteins)