What happens is the rearrangement of particles of the gold in a physical change
Starvation.
Disease.
Weather.
Lack of mate.
Offspring dying.
Hunting.<span />
The best answer should be
D) Food component that can be stored in the body for future energy needs
Density can be useful in identifying substances. It is also a convenient property because it provides a link (or conversion factor) between the mass and the volume of a substance. Mass and volume are extensive (or extrinsic) properties of matter - they depend on amount.
A=T= 40%....so together this is 80% of the DNA.
That leaves 20% to be C+G...so each is 10%. A is the answer.
