Humans don't generally have a symbiotic relationship with earth. We take many of earth's natural resources and tear down the landscape of earth without putting any of it back. Although humans are receiving positively from earth, we aren't giving back, which is what would have to happen in order to obtain a symbiotic relationship. It is more a parasitic relationship.
Answer:
Yeah chemical change occurs when you fry an egg since the whites harden and change shape in a way. Mass is conserved since it doesn't change.
the mass of pure acetic acid in 250 ml of this solution is 100 gm
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC IDK
There is part of an amino acid molecule that is called the R group or side chain. The side chain of the amino acid called glycine is a single hydrogen atom. The side chain is what differs from amino acid to amino acid.