The answer to this question is <span> fixed ratio
In a </span> fixed ratio schedule of reinforcement, it requires <span>subjects to provides a set number of responses and a reward will be given after the completion of a certain numbers. Because of the high certainty, we will tend to receive high and steady rate of response if we use this type of schedule.</span>
A fault is a fracture in the crust called in watch land stays in the same place.
I believe the answer is: improved healthcare, technology, sanitation, carrying capacity---which leads to people living longer and having more babies
Here are several reasons why fertility rate in an area could go down:
- Increased death rate among young people
- Unsanitary environment which could resulted in various type of diseases
- Problems during child bearing
- not having enough money to sustain family's health.
All of the things that mentioned above address all of these low fertility rates issues
"Germany" <span>has developed a parliamentary system of government, and whose political leader is known as the Chancellor
Hope this helps!</span>
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