Question

Crude oil beneath the earth is often under pressure because it is trapped under _____.

a. coal deposits
b. water tables
c. nonporous rocks
d. porous rocks

Answer 1

 c. This is because if it under pressure and tricky to get to, then that suggests it is under nonorous rock, that it can't drain or move. 

Answer 2

d. porous rocks

Step-by-step explanation:

• The reserves of oil and natural gas are formed and found in the sedimentary and igneous rocks mostly in the porous rocks as they have pores that allow for the water in small quantities to pass through them.

• As the naturally occurring oil is drilled and mined from the ground in the oceans and lakes and mapping of their location is called as hydrocarbon kitchens