By gaining weight slowly and steadily, you add less body fat and more

the answer is a. now keep my answer here.

a- all cells come from pre-existing cells

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.

the tricuspid valve is present between right atrium and right ventricle