5. Give an overall statement as to the importance of the skin to people and what would happen with out it.

Why does bubbling occur when vinegar mixed with baking soda

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?

What do transitional fossils best support?