Oil, natural gas, and coal are all fossil fuels.
A. Biodiesel is man made.
Hope this helps. :)
Gametes are sex cells. They are sperm and egg.
Its definitely not A or D because there are 26 weeks in 6 months.
generally, a weight loss of 1-2 lbs per week is reasonable and safe.
I would say B because it is unrealistic that someone would always lose 2lbs a week