Answer:
the poles repel
Explanation:
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S.c.a. is an inherited blood disease.
<span>Human immunodeficiency virus is spread by contact with bodily fluids. While most often transferred through sex or blood, it can not be spread simply by kissing another person unless you have a cut in your mouth.</span>
Answer:
A.
Explanation:
The arctic soil is so cold that the ground beneath the tundra surface remains frozen all year. This permanently frozen ground is called permafrost. Each summer, when the sun warms the tundra surface, the top few inches of soil thaw. This melted part is called the active layer.