Question

mechanical devices called pumpjacks help extract petroleum from underground reservoirs. humans extract and use large amounts of petroleum every day. however, it can take millions of years for petroleum to form! complete the sentences. petroleum is a natural resource usually extracted from reservoirs ____ earths surface. petroleum formation happens over a ____ period of time. above... long above... short beneath... long beneath... short

Explanation:

The text mentions that petroleum is extracted from "underground reservoirs—areas beneath Earth's surface". Also, it states that "it can take millions of years for petroleum to form", indicating a long - period.

Answer:

beneath... long