PLEASE HELP!

Which type of power generation can cause air pollution?

A.) coal

B.) solar

C.) wind

D.) geothermal

Si el equipo no fuera bueno no con el entrenador.

The chemical form of energy that is useable by the cell to do work

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.