Environmental science true or false please help

How many chromosomes are in a gold fish?

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?

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur