I believe it is c i could be wrong please check me on that i am not trying to give u a wrong answer!!! But i think C
Answer:
Explanation: Red blood cells; lymphatic system
Answer:
The greenhouse effect:
The process in which gases in the atmosphere trap heat from the sun and warm the Earth. is the natural warming of the Earth’s atmosphere Solar radiation enters the atmosphere mainly as light and some of that radiation is absorbed by the Earth’s surface then changed to heat that is reradiated into the atmosphere where it is absorbed by greenhouse gases then reradiated back to Earth again
Atoms. they make up everything