Which of the following molecules is most abundant in the cells of the human body?

f Lipids
g Water
h Amino acids
j Nucleotides

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

The model illustrates a process by which a substance is taken up by a cell

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables