The answer is A.....................................................................
Answer:
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Column 1: climate zone Column 2: characteristic
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a) tropical — always near an ocean.
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b) dry — heat and dryness.
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c) moderate — heat and rain.
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d) continental —ice year round.
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B. through the Treaty of Paris, at the end of the Seven Years’ War
I'm pretty sure that it is oil because that is what most of the countries over there use it, making it a trend.
The cardiac cycle is defined as the steps involving the conversion of deoxygenated blood to oxygenated blood in the lungs and pumping it by the heart to the body through the aorta. So i think it would be stable over the years unless u have factors that will affect the cycle depending on a persons health