An astronomical unit is the average distance (10 Points)

from Earth to the Sun

between Earth and the Moon

to the nearest outer planet

to the edge of the Solar system

An astronomical unit is the average distance from the earth to the sun.

Explanation:

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides