Which is not a benefit of diversity among living things? a) more diversity means that there aren't enough differences within species. b) more diversity means that there are more organisms available for food at every level of the food chain. c) more diversity of organisms means that there is a greater chance that at least some would survive disaster in the ecosystem (disease, natural disaster, etc.) d) more diversity of organisms means that the ecosystem is more sustainable.

1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.