<span>The immediate cause of its fall was pressure by the Ottoman Turks. The Ottomans had been fighting
the Byzantines for over 100 years by this time. In 1454, Constantinople
finally fell to them and their conquest of the Byzantine Empire was
complete.</span>
Answer:
Variable interval
Explanation:
In a variable interval, the researcher will not give the reinforcement on a regular schedule.
The purpose of this type of reinforcement is to condition the subjects to adopt a certain behavior even after the reinforcement is taken away in the future.
<u>Example:</u>
Let's say you want to teach your son to put away his toy after he's done playing it.
In order to encourage him, you give him his favorite candy as soon as he's putting away his toy, but you do not give the candy every time he does it. Sometimes you give it, sometimes you don't.
When this happen, your son will start to develop an understanding that there is always a possibility for candy every time he put away his toy.
This will make him more likely to put the toy away and wouldn't sulk even after he does not receive the candy.
Answer:
there are many institution people are engaged today to promote the art of painting and sculpture
You have been living your whole life on a planet. Planets make up solar systems, solar systems make up galaxies, and galaxies make up universes which make up all of existence in space.
