B fossil energy
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I'd say it's suspension, but I'm not 100% sure...
Answer:
Factors that cause population growth include increased food production, improved health care services, immigration and high birth rate. These factors have led to overpopulation, which has more negative effects than positive impacts. The world population today is over 7 billion and the number is increasing with each passing year.
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Answer =Tsunamis because they flood places and areas