Answer:
May 10, 2019, marks the 150th anniversary of an iconic, historic event in American history—the completion of the transcontinental railroad. This 19th century engineering triumph would redefine the nation, connecting the east coast to the west coast by rail.
Explanation:
Answer:
Classical conditioning
Explanation:
Classical conditioning was proposed by Ivan Pavlov that informed in the psychology as learning of behaviorism. Classical conditioning is also called the learning of behavior where the conditioned stimulus is associated with the unconditional stimulus to produce a behavior response.
For example, To teach dogs with the sound of buzzer being fed is based on classical conditioning.
There are different type of behavior therapy are used to modify the behavior of a person such as desensitization, flooding, etc.
Answer:
GLACIAL DEPOSITS
Today, glacial deposits formed during the Permo-Carboniferous glaciation (about 300 million years ago) are found in Antarctica, Africa, South America, India and Australia. If the continents haven’t moved, then this would suggest an ice sheet extended from the south pole to the equator at this time - which is unlikely as the UK at this time was also close to the equator and has extensive coal and limestone deposits. If the continents of the southern hemisphere are re-assembled near the south pole, then the Permo-Carboniferous ice sheet assumes a much more reasonable size.
More evidence comes from glacial striations – scratches on the bedrock made by blocks of rock embedded in the ice as the glacier moves. These show the direction of the glacier, and suggest the ice flowed from a single central point.
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