Answer:
The answer is D.
Explanation:
65% of Americans are Christian.
When the earth faces the sun during its rotation, the energy from the sun gives us light and heat. When the earth faces away from the sun it becomes dark and we see the moon in the sky.
Answer:
the adoption of agriculturr
Explanation:
I believe it would be the gross energy.
Gross energy could be easily estimated by calculating the mass of fat , protein, and carbs. In order to estimate the physiologic energy, you need to measure the exact calories that the subject would most likely spent in doing all of his/her activities.This kind of thing would be really difficult to do in an experiment.