Answer:
because it is leaving the earth and going into space
Explanation:
Answer:
D. sulfur oxides from factories
Explanation:
This does not naturally occur, only if there is a factory. These other things happen on their own in nature but sulfur from factories relies on other factors down on earth.
I think it's muscle cells cuz it's anaerobic respiration and It cannot be in plants or food sources
hope this helps ;)
It is useful to doctors because functional brain imaging helps doctors prepare for brain surgery in patients who have a diagnosis of a brain tumor or a seizure disorder.