Which describes the principle of superposition?
A) All the rock layers are the same age.
B)...
Which describes the principle of superposition?
A) All the rock layers are the same age.
B) Older rock layers are at the bottom, and younger layers are at the top.
C) The rock layers alternate every other layer between younger and older.
D) Younger rock layers are at the bottom and older layers are at the top.
Answers: 3
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Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal response by in order to it's core temperature.
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What are some of the immune functions of the lymphatic system? a. cleaning red blood cells from the blood and creating lymph fluids b. transporting lymph to the tissues and creating lymph fluids c. removing infectious agents and making white blood cells d. making red blood cells and removing infectious agents
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