Answer:
The warmer areas of Arctic region have various plants such as lichens, mosses, herbs and small shrubs. Facts about Cold Environments The animals that you can find living in the arctic are wolverines, polar bears, seals, walrus, birds and squirrels.
What happened in South Africa is that the regime fell under the international pressure (the correct answer is b). Some example of this international pressure were trade sanctions, prohibition for the officials to enter other countries and the lack of permission to fly over the airspace of other countries.
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Answer:
Refractory period
Explanation:
The refractory period is the phase of sexual orientation. In this phase both male and female experience resolution phase. At this stage, both male and female bodies recover and come back to the normal stage. For males, feel a refractory period when the penis gets flaccid.
At this period, a man could not think about sex and get aroused self. At this period, his body could not get aroused and feel orgasm again. The period varies from person to person. After orgasm, it will take half an hour to get again at the sexual stage.
The thickness up to which the velocity approaches 99% of the free stream velocity. The distance measured perpendicular to the boundary by which the free stream is displaced on account of the formation of the boundary layer.
<h3>What is displacement thickness in boundary layer theory?</h3>
The displacement thickness for the boundary layer is defined as the distance the surface would have to move in the y-direction to reduce the flow passing by a volume equivalent to the real effect of the boundary layer.
The thickness of the boundary layer represented by δ is arbitrarily defined as that distance from the boundary surface in which the velocity reaches 99% of the velocity of the mainstream.
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