C? the cardiovascular system transports nutrients, oxygen, and hormones to cells throughout the body but it also removes metabolic waste.
cleaning oil spills, cleaning pollution and generating electricity, metabolising methane into methanol, converting newspaper to biofuel and treating depression to anciety.
hope some of my information helped
1st and 4th one. 3 could be possible not completely sure its been awhile since i took the class. but the other 2 are impossible.
Answer:
D
Explanation:
A stomata is responsible for opening up, to allow gas exchange which is needed for photosynthesis .