Which statement describes what occurs in both animal and plant cells?
a) nitrogen is used for respiration and oxygen is a waste product.
eliminate
b) oxygen is used for respiration and carbon dioxide is a waste product.
c) nitrogen is used for respiration and carbon dioxide is a waste product.
d) carbon dioxide is needed for respiration and oxygen is a waste product.

not the best question format lol but what i think might as scale color is controlled by a single gene with two alleles, the green allele and the yellow allele. when moths that are homozygous for green scales are mated with moths that are homozygous for yellow scales, 100% of the offspring have green scales.

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added