Which elements are in the substance that makes up 60% of the human body. a. hydrogen and oxygen b. phosphorus and nitrogenc. calcium and oxygen d. carbon and phosphorus

In a relatively small iguana population the allelic frequency is tracked for three generations. webbing is a recessive allele; no webbing is the dominant allele. during one very rainy spring and summer, a flood washes all the iguana without webbed feet out to sea. by the fall, and three generations later, you have the gene pool seen here.

When a cell is in a solution that has the same concentration of water and solutes as its cytoplasm, the cell is said to be in a(n) solution. a. isotonic b. hypotonic c. hypertonic b. facilitated

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?