Answer:
B.
Explanation:
most valleys are weathered by running water. Glacier can also weather these. Because of running water it will carry the weathered pieces away.
Have a nice day and give brainliest! :)
The correct answer is that mammals use a closed, double loop , four chambered heart as a circulatory system of the body.
The circulatory system of mammals is closed system that consists of four chambers, two articles and two ventricles. The deoxygenated blood comes into the heart from one loop and the oxygenated blood from other loop from the heart is circulated to the whole body. This is called as double circulation.
4 the organism would not produce new cell idk if im right
Answer:
Charles Darwin came up with the theory of evolution.
