(URGENT) Which describes increasing the efficiency of an energy resource?

A>Making cars that get better gas mileage

B>Using biomass instead of coal

C>Turning off the lights when leaving a room

D>Switching from coal to solar

A Making cars that get better gas mileage

Explanation:

Getting cars that gets better gas mileage are increasing the efficiency of fossil fuels.

in this image, you can see solar radiation going through ocean water.

no image, but probably absorption

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.