C. is your answer, they didn’t call them “mailmen” they were called runners because it was easier I guess =/
Hope this helps you ♥︎
Answer:
Pavlov used proved his theory of classical conditioning by studying salivation in dogs. He observed an unconditioned response, the salivation, that was a consequence of an unconditioned stimulus (the meat). Then, he paired the unconditioned response with a neutral stimulus (the sound of a bell), by giving the dog the meat after ringing the bell. He found that after being conditioned, the dog salivated every time he heard the bell ring, the salivation was now a conditioned response.
C chemicals are the only substance that can cause dissolveing or mass burning tension with atoms in a place and a human has chemicals also in the stomach which is used to break down food
Answer:
From 2008 to 2010, China's real GDP growth averaged 9.7%. However, the rate of GDP growth declined slowed for the next six consecutive years, falling from 10.6% in 2010 to 6.7% in 2016. Real GDP ticked up to 6.8% in 2017, but slowed to 6.6% in 2018, (although it rose to 6.8% in 2017).
Explanation:
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