Answer:Density is a characteristic property of a substance. ... The mass of atoms, their size, and how they are arranged determine the density of a substance. Density equals the mass of the substance divided by its volume; D = m/v. Objects with the same volume but different mass have different densities.
Explanation:
It is C. Nitrogen. Nitrogen is 78% of the atmoshere
A. off a surface at the same angle it strikes the surface
Answer:
Animal by-products.
The USDA (United States Department of Agriculture) defines an animal product as anything made from an animal, excluding muscle meat.
Answer: The answer is B while neutrons and electrons are usually the same in a given atom protons are always consistent.