What is the function of dna, and how does the structure of dna influence its function

How do you date a sample of rock that you suspect as being one of the earliest on earth

What element is able to combine with itself and hydrogen to form large molecules ?

An organism's reproductive strategy includes all of the following except a. the number of offspring produced. b. the amount of energy expended in producing offspring. c. the length of time parental care is given d. the number of alleles an organism passes on.