Answer -<em> A) Health Care, B) Education, C) Enviromental Protection</em>
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I don't know what you mean by "D" climate regions, but the cooler the climate, the more likely permafrost will be found. If the climate is warmer, permafrost won't be found because it will be thawed out.
Answer:
seven quintillion
Explanation:
or 5 hundred quadrillion grains
7.5x10^18