DNA was found to contain only four different chemical building blocks.
Your correct answer would be B hope this helps
<span>The role of the pollen is for the sperm to reach the egg. In the process of transportation, a lot of pollen grains can get lost and therefore there is greater need for it to be more than the ovules, since the eggs do not have to be transported anywhere. </span>
Keep an active calendar because then you will be able to manage your time, do the things you love and get distracted from stress<span />
Answer:
then cause Atlantis to happen again
Explanation: