An impermeable rock, regardless of lithology, is a good candidate to serve as a(n) in an oil-producing scenario.

The primary agent of contact metamorphism is

Which of these is a drawback of using natural gas? a. it is fairly safe for use in homes.b. it burns more cleanly than crude oil products.c. scientists have developed new ways of extracting it.d. during its extraction, groundwater can be contaminated.

Monk's mound in cahokia is an enormous earthwork very near to the mississippi river. what do archaeologists believe it was used for?