1. What theory did these scientists provide evidence for

People who exercise for an hour may have lower cholesterol levels. is that a statement? a law? or a hypothesis?

Amutagen is 1: a living thing that has undergone a mutation. 2: an agent that causes a mutation in dna. 3: a mutation that has affected one gene. 4: a chemical that can poison living cells.

The process by which natural forces move weathered rock and soil brim one place to another is called