Select the correct answer. Which substance is a source of hydrocarbons?

A.
natural gas
B.
protein
C.
silk
D.
starch
E.
water

Which of these sequences lists the correct order for the creation of sedimentary rock from sediment? a. deposition, burial, compaction, cementation b. burial, deposition, compaction, cementation c. compaction, deposition, burial, cementation d. cementation, deposition, burial, compaction

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Determine the reaction and balance the following equations urgent due in the morning