I think its A. it cant be C or D b/c we are measuring the distance between Earth and Saturn, not the speed.
Answer:
heyy do you got the answer? i got that cuestion but i need the answer!!! did you finally get it?
Explanation:
process by which one separates compounds from one another by passing a mixture through column that retains some compounds longer than others.
The lower case letter represents the recessive allele.
