Well, it almost sounds like a rhetorical question. Who can? Well, probably someone higher in power with the help of technology. They already have cameras being built into the suits due to the reports of unfair treatment from police officers. We could possibly have people from the government watch over footage from the cameras or have supervisors go with them. Anyway, that's my possible answer/opinion to that subject. Maybe that can give you some insight (-:
ANSWER:
Biomass is a fuel that is produced from all the organic materials made by plants and animals. It is used as an energy source for many domestic purposes. The most common biomass materials used for energy are plants, wood, and waste. Biomass can be burned to create heat, converted into electricity, or processed into biofuel. Biomass can be burned by thermal conversion and used for energy.
Hope it helps u! :)
C) 30 miles is the correct answer
(I’m not sure but I think so)
By reducing the need for fossil fuels through the use of the ethanol biofuel.
I think water and food is something that's encouraged people to settle where I live.