Hmm. This one’s simple. It’s definitely biodiversity, because if there are lots of organisms, people can fulfill their niches easily. Carbon dioxide and pollution just harms the organisms and salt water doesn’t do much good, except in ocean ecosystems. The answer is C: Biodiversity.
8 electrons if it is a neutral atom.
Its C. Whenever you perform an experiment you want to make sure its as controled as it can possibly be.
