Anaxyrus, woodhousii. From what I remember
Answer:
A. It is the place where energy is produced.
It stores the genetic information, the DNA (chromosomes).
Explanation:
Each layer of earth has a different density the more in you go with the layers the more density is going to show up.
Crust-2.2g/cm^3
Upper mantle-3.4g/cm^3
Lower mantle-4.4g/cm^3
Outer core-9.9g/cm^3
Inner core-12.8g/cm^3
Hope I helped in something, Sorry if I didn't gave it my best shot:)
Lipids have no polymers.
A lipid is formed when a glyceral combines with one or more fatty acids.