A. Burning natural gas
A liquid changing to gas is called boiling or evaporation.A gas change into a solid is called deposition and a gas changing into a liquid is called condensation.half of these are endothermic, meaning they absorb heat from their surroundings.the others are exothermic,meaning they release heat. Hope this helps
•Photosynthesis is an important part of the carbon cycle - <u>True.</u>
may this helps you
bye
Answer:
Oxygen for the first box, and lactic acid for the second
They undergo photosynthesis by converting solar energy to chemical energy :p