What is the term for burning fossil fuels and releasing carbon dioxide into the atmosphere?

a)synthesis
b)combustion
c)expulsion

 In a combustion reaction a substance reacts with oxygen from the air and transfers energy to the surroundings as light and heat

i believe the answer is a

explanation:

earth's surface is mainly heated by the absorption of infrared radiation from the sun.

evaporation occurs because molecules in liquid water are warmed ( usually by the sun) and vibrate quicker, becoming less dense and rise.

condensation occurs because molecules in water vapor are cooled and therefore vibrate more slowly thus becoming more dense and eventually fall to earth.

lines of equal barometric pressure on a weather map are called: isobars : lines of equal temp on a weather map are called: isotherms.​