Answer:
The answer is B. Limiting factors can lower birth rates, increase death rates.
1/4 mol = 0.25 mol
6 months = 0.5 year
rate = 0,25 mol / 0.5 year = 0.5 mol/year or approx 0.042 mol/month
A. True
They are formed behind an obstacle when the wind blows the sand up to it.
A low pressure system has lower pressure at its center than the areas around it. Winds blow towards the low pressure, and the air rises in the atmosphere where they meet.
Answer:
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