Polar bonds happen when two atoms form a molecule using a covalent bond.
2. <span><span> The</span> first set of
letters is the written version of DNA. The second is the part of the code of
the DNA that the RNA needs. </span>
3. <span><span> </span>The second string
GGCCTGCGTATCCGTA. </span>
the answer would be more be cause its the point at witch the moon blocks the sun, so if the moon revolved faster it would cover the sun more often.