In the diagram above, some molecules move across the cell membrane, but others molecules cannot cross the membrane. some molecules can cross, but others cannot because the

The answer is ozone layer.

Plants take energy from the sunlight with the of chlorophyll so the plant starts the food chain. then an herbivore eats the plant and gets its energy.then a carnivore or a human eats the herbivore and gets its energy. : )

The correct answer is "b"