Answer:
During the past half century, desertification has affected much of the <u>Sahel.</u> :)
Answer:
Western Europe
Explanation:
While the crusades took place in the Middle East - specifically Jerusalem - the calls for the crusades began with the catholic church in Western Europe. This created a root structure for the crusades.
The correct answer is letter D.
Explanation: The narrator of the The Adventures of Huckleberry Finn is Huck Finn, he and Tom Sawyer are close friends. He is easily influenced by his best friend.
Tom Sawyer had an incredible amount of emotional influence over Huck. Tom represents the civilized society, that Huck leave behind.
An isometric contraction is the kind of contraction that leads to development of tension but no increase in length.
An isometric contraction occurs as the muscle produces tension without changing the angle of a skeletal joint. Isometric contraction is a static muscle action that helps to maintain the posture. For example, the antigravity muscles. It occurs in the biceps when the arms may be holding a weight. In such a posture, the biceps enlarge due to holding of weight and produces tension but do no increase in length. It stops the flexion of elbow. In such contraction, no work is done, and lesser amount of heat energy is released in comparison to isotonic contractions.
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