Why do genes only make up a small percentage of DNA? We only use a small portion of DNA, because there aren't that many unique proteins.
It reduces the chances of genes being damaged.
It prevents cells from accidentally making the wrong protein.
The extra DNA will eventually be turned into genes as organisms evolve.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .

a bird that nests only in a particular tree species.