Ameter is a unit of length. how many meters are there in one kilometer?

How can you tell the difference between rough er from smooth er?

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?

Brainliest ! which would require more force to move or slow down between a bowling ball and a soccer ball? explain why?