What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.

Which units ate used to measure both velocity and speed? check all that apply

The tubes transporting minerals and water upward are called ?

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?