Molecules that make up for the body are continuously broken down or used up. They must be replaced, some nutrients, proteins, provide building materials for that purpose. Other nutrients including proteins vitamins and minerals are needed to regulate body processes
Answer: 
Explanation:
Given
Initial mass 
half-life is 
At any time the left amount is given by
Answer:
Above all are correct answer.
some other benefits are like, Dietary fiber increases the weight and size of your stool and softens
A) true
b) false The atomic mass is never less than the atomic number.
c) this one is a bit tricky. For hydrogen, the atomic mass can equal the atomic number IF you are rounding the mass to the nearest whole number. That only works for hydrogen, though
d) false The larger the element, the more neutrons that are needed to keep the nucleus stable.
e) true
f) true
Earth is the right distance from the sun. It’s protected from harmful solar radiation by its magnetic field and the atmosphere keeps it warm. Earth contains the right chemical ingredients to sustain life such as H2O (water) and C (carbon)
