What is the probability of landing on green and tossing a number greater than two?

20 the compound al(nh3)2 has atoms of nitrogen.

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

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000