Answer: Muscles
Explanation:
When muscles aren’t used for long periods of time, the body will then break it down to conserve energy.
I am not sure but I am guessing carbon and nitrogen :)
Answer:
No charge
Explanation:
Neutrons have no charge at all
Answer:
here you can look at the answer here
Explanation:
Key.39KrO2
Answer: D. Facts can be scientifically tested.