When limiting factors increase, diversity in populations decreases. In this sense "limiting factors" can be anything from a lack of resources to a lack of food, meaning it's harder for the population to survive.
1 reason is to kill disease in water
Answer:
Oil can be burned to heat water, using the steam to generate power. Or, oil can be burned under pressure to produce exhaust gasses.
D they are easily contained charges so on and off is no problemo
