One of the main goals of environmental science is to help humans use the environment in a way that is economically profitable.
O true
false

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

"d.) carbon dioxide and hydrogen sulfide"

a. an idea which cannot be disproven!

explanation:

occluded front i think