What are some of the difficulties with measuring the volume of a gas? select all that apply.

a. it could be soluble in liquid
b. it can be difficult to contain.
c. it varies depending on the container it is in
d. it varies based on its mass

A, B, C

A. it could be soluble in liquid

B. it can be difficult to contain.

C. it varies depending on the container it is in

there really is life in the deepest part

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).