How are fossils dated that are too old for carbon dating in igneous rock? A) They cannot.
B) They only use stratigraphy.
C) They use only absolute dating.
D) They use stratigraphy and absolute dating.

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

How would you expect the mrna codons that code for the amino acids that make up hemoglobin to compare between humans