Sun and planets> the sun is just a ball of fire lolz
Pavlov and watson <u>underest</u><u>imated</u> the impact of biological constraints on classical conditioning and they <u>underes</u><u>timated</u> the impact of cognitive processes on classical conditioning. Read below about classical conditioning.
<h3>What
is
classical conditioning?</h3>
A classical conditioning is a learning process that occurs when two stimuli are repeatedly paired: a response which is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.
Therefore, the correct answers are underestimated and underestimated respectively.
learn more about classical conditioning: brainly.com/question/17583598
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Answer:
1. Elliptical orbit.
2. Tropic of Cancer.
3. Winter season.
Explanation:
The movement of the earth is the primary cause for the yearly variation. The earth rotates at its axis and moves around the sun in an orbit which is not a perfect circle but is elliptical.
During the June Solstice, that occure on 21st June every year, the vertical rays of the sun strike the Tropic of Cancer.
The condition of the Earth is tilted at 23.4 degrees which becomes the primary reason for the short days in the winter season and long days in the summer seasons.
Answer:D
Explanation: In 1619, brought by English privateers who had seized them from a captured Portuguese slave ship.