Africa is the only place where giraffes live in the wild
Answer:
Closed the first one
Explanation:
In amphibians, reptiles, birds, and mammals, blood flow is directed in two circuits: one through the lungs and back to the heart, which is called pulmonary circulation, and the other throughout the rest of the body and its organs including the brain (systemic circulation).
most mammals, have closed cardiovascular systems. The two main circulation pathways in invertebrates are the single and double circulation pathways.
Chewing bread, tearing paper, breaking rocks
Answer:
A
Explanation:
because when sun shines on water, it turns into heat and evaporate
