Which of the following steps was necessary for the formation of all fossil fuels?

the remains of plants and animals are buried at the bottom of oceans.

carbon bonds break, producing methane gas.

heat and pressure build up on top of decaying matter.

the remains of plants and animals are buried at the bottom of swamps.

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.