Which scientific theory or law explains why the water we drink comes from continuously cycling of water on Earth?

the answer to your question is tooth decay.

burning fossil fouls really decrease the carbon in the atmosphere so b

well, i believe that the answer is 2. : 3

protein makes up the building blocks of organs, muscles, skin, hormones and pretty much everything that matters in your body.

some choices are:

peanut butter

seeds

eggs

yogurt

meats

fish

so pretty much meat, dairy, nuts, and grains.