Hcg secreted by placenta not the fastest method to detect pregnancy nor it is specific
Answer:
B. Prefrontal Cortex
Explanation:
The prefrontal cortex is in the front of your head and it is affected when you drink liquor or do drugs. That is why when you are drunk you don't have good judgement. When you do drugs, your prefrontal cortex is eaten away and that is why people with drug problems have trouble remembering things.
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Answer:
This could mean that the pink ball had a little bit more air in it than the blue ball. They could also have been dropped at the same time, but they were dropped on a hill, and the pink one landed first at the top of the hill, and the blue one landed second at the bottom of the hill.
Explanation:
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Answer: Frictional Force
Explanation: Friction always acts to oppose any relative motion between surfaces. For the simple example of a book resting on a flat table, the frictional force is zero.