Answer:
It's C. They are mostly made up of hydrogen and helium
It could perhaps provide a better understanding of why dinosaurs went extinct. It could also provide some of the things Dino's ate and their average life style.
Answer:
its basically a layer that helps to absorb light energy there have a pog day friend
Specific gravity<span>reflects the amount of wastes, minerals, and solids present in the urine</span>