I believe it’s C because the heart pumps blood through the body
Ants and bee's don't have a backbone, instead, in most cases, they have an exoskeleton.
Hope this helped:)
The answer is number 3 use this to help you : https://quizlet.com/118565169/nsg-6005-week-8-flash-cards/
Answer:
speed = distance/ time= 45/3 = 15miles per hour
Explanation: