Answer:
Explanation:
biology of your talking about life evolution but all if your talking about mankind evolution and technology
Controlled burning? I think that's right.
Answer:
Skin is the human body's largest organ.
Explanation:
Body organs aren't all internal like the brain or the heart. There's one we wear on the outside. Skin is our largest organ—adults carry some 8 pounds (3.6 kilograms) and 22 square feet (2 square meters) of it.
dna, genes, animo, to acids