Pretty sure it's the Precambrian.
W=(m'/m)·100%
m'=37.2 g
m=48.5 g
w=(37.2/48.5)·100%=76.7%
Answer:
Protons have a much larger volume than neutrons.
<h3><u>Answer;</u></h3>
Constant
<h3><u>Explanation;</u></h3>
- According to the law of conservation of energy, the total amount of energy in the universe is constant.
- The law of Conservation of Energy states that Energy cannot be created or destroyed. The total amount of energy in the universe never changes, although it may change from one form to another.
- Energy never disappears, but it does change from one form to another. For example; when we eat our food has stored energy in it.
