How many hydrogen atoms are present in each water molecule?
o a. 2
o b. 1
o 0.4
o d. 3

Answer is A.

Explanation:

H2O, meaning 2 hydrogen and 1 oxygen. This is the recipe for water basically.

a time line cause it goes from 685 to 978

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

hope this : )