After millions of years, the remains of living things will turn into fossil fuels which are natural fuels. The combustion of these fossil fuels is important for the running of machinery, raising temperature in reactions and many more.

The fundamental unit among them (not derived) is :
C . My teacher use to say ly because you lie you're going to hell going down so c is definitely the correct answer
Because people had as pets when they got to big they let them into the wild and they came a different place
<span>The means is unknown. Filoviruses are known for causing hemorrhagic fever in humans. However, once a human is infected, passing the virus from person-to-person is the means by which others become infected. Most especially is the transmission through infected bodily fluids or objects that have been unsterilized and come into contact with those fluids.</span>