Answer:
Gas exchange between tissues and the blood is an essential function of the circulatory. The air contains oxygen that crosses the lung tissue, enters the bloodstream, and the alveoli are in direct contact with capillaries of the circulatory system. As water flows over the gills, oxygen is transferred to blood via the veins.
Explanation:
Answer:
what is the name of this website
or the book?
Answer:b. The earth has warmed 10 times faster than it did coming out of the last Ice Age
Explanation: global warming from environmental degredation.
Answer:
B.Evolution, natural selection
Explanation:
Charles Darwin is known as the "Father of Evolution" because he proposed the idea of evolution by way of natural selection.
