After you gathered your research in the experiment to prove if you were correct or not depending on the outcome of said experiment.
Well, to put it to the simplest way I can get it. Protein acts as a car engine because it gives us the energy to go and do things like a car engine gives a car the will to move.
Answer:
For example, air with a large amount of water vapor is less dense than dry air because the water molecule has less mass than either an individual nitrogen or oxygen molecule. Also as elevation or altitude increases, air becomes less dense. Unequal heating of the Earth's surface also forms large global wind patterns
Explanation:
The Sun is the energy source for almost all life on earth.
