4 because if you have a infection it causes you not to breath properly
Answer:
Gravity would also double
Explanation:
Newton's Law of Universal Gravitation says that the force of gravity is directly proportional to the mass. So if the size of the moon did not change and you were standing at the exact same spot on the moon and the mass of the moon doubled, the force of gravity you would experience would also be doubled.
Amino acids are the building blocks of life
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I think good insulator
