Question

as more and more layers of sediment built up on the ocean floor and turned into sedimentary rock, trapped organic matter was buried deeper underground. over millions of years, intense heat from earths mantle deep beneath the ocean floor, as well as pressure from millions of tons of overlying rocks and sediments, transformed the buried organic matter into petroleum through a series of chemical changes. complete the sentence. petroleum pressure heat organic matter over millions of years, intense beneath the ocean floor and from overlying rocks and sediments transformed into

Explanation:

The text states that "intense heat from Earth's mantle deep beneath the ocean floor, as well as pressure from millions of tons of overlying rocks and sediments, transformed the buried organic matter into petroleum". So we match the words in the text to the blanks.

Answer:

Over millions of years, intense heat beneath the ocean floor and pressure from overlying rocks and sediments transformed organic matter into petroleum.