Which is an example of an organ system?
A. the compartments that make up the liver and control its function
B. lungs taking in oxygen
C. the brain, spinal cord, and nerves working together for one purpose
D. the lining of the intestine
Ans: C. the brain, spinal cord, and nerves working together for one purpose
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What is silviculture?
What will be an ideal response?
The scientific process states that:
a) we observe then hypothesize b) we create laws that we then find data to fit c) we conclude from observations to form theories d) we make shit up e) none of these
The pressure gradient force is directed from higher pressure toward lower pressure ____
A) only at the equator B) at all places on Earth except for the equator C) only at the poles D) at all places on Earth
The process of deepening a valley by erosion of the streambed is called downcutting.
Answer the following statement true (T) or false (F)