10 How many hydrogen atoms are there in total in the following formula? 2C2H1206
O 12
2.
24
14

The answer is b because a,c,and d are opinons

Conservation efforts have been effective in "increasing the number of endangered species, reducing all the negative impacts of human activity, and preserving wildlife habitats".hope my answer has you : ) 

The water cycle increase the water content in the earth atmosphere

The question is incomplete. complete question is attached belowanswer: correct answer is option b  i.e.  solid particles  reason: filter paper has small pores, through which smaller particles can pass through. however, solid particles  have relatively larger size. hence, they are least likely to pass through.