Answer:
A way a disease that is fatal can stay in the population is if its hereditary. Such as, it allows the carrier to live long enough to have children, which have the chance to either get it, or pass it on to their children.
Hope this helps!
Explanation:
A. A reason for the increased use of electricity is the increasing population; more people are being born, more people are using electricity.
b. A strategy to reduce the amount of fossil fuels is for more people to use electric cars where the electricity is sourced naturally. Perhaps the government could implement a system where drivers of electric cars could be rewarded.
