1. The diagrams below show a plant in a flask of water. It is left in a light at 16 degree centigrade for 6 hours. Which of the following statements explains the change in the mass of the plants in a flask? *

What percentage of light hits earth's surface directly?

What organelle other than the nucleus houses dna in a eukaryotic cell?

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?