8the moon is closest to earth at
perihelion
apogee
aphelion
perigee

Perigee

Explanation:

Moon is the largest and brightest natural satellite that we see In the sky which orbit around the Earth. It is a rock satellite. It has a thick crust, with lunar soil and more basalt deposits. Moon causes tides and relative stable climate. The moon is closet to Earth on the point Perigee and it's is farthest away on the point apogee.

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.

"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."