The most abundant fossil fuel is
a. petroleum
b. natural gas
c. oil
d. coal

The most abundant fossil fuel is coal! (answer d is correct). The main ingredient in coal is carbon, but there are also other elements in smaller proportion.  The source of coal is the plant and tree material of plants that grew long time ago and which were covered by soil for many years.

Iwould say d. eye contact and body language because you aren’t using any spoken communication. hope this : )

There is no map could you put up a picture of the map and i will try to .