However, after serving less than two years, he was released in exchange for a captured Soviet agent in the first-ever U.S.-USSR “spy swap.” The U-2 spy plane incident raised tensions between the U.S. and the Soviets during the Cold War (1945-91), the largely political clash between the two superpowers and their allies
Answer: To the Romans, the sea formed a major focal point of Greek culture and civilization.
No I don't think so. It isn't evident that there is a straight cause and effect connection between an individual utilizing a radar detector and that individual who is opting to vote and put on a safety belt. A cause-effect relationship is a relationship in which one occasion which is the cause influences another occasion to happen which is the effect.
Answer:
I would probably pick C
Explanation:
Hunter and gathers are part of the civilization
in B workers are in there and they're part of the civilization
in D it said people...people are part of the civilization
C is really the only one that makes sense
The correct answer is fixed-interval
In a fixed interval reinforcement scheme, the reinforcement is presented if the organism emits at least one response after a fixed time interval. Generally, this scheme is represented, placing the specific value of the fixed interval. For example: FI-1 hour means that the backup is presented after 1 hour and only for the first response issued.
The fixed interval reinforcement scheme results in a low frequency of responses at the beginning of the interval, increasing as the end of the interval approaches.