List any five (5) nonmetallic elements that exist as gaseous substances under ordinary/normal conditions. Do any metallic elements ordinarily occur as
gasses?

one negative thing it that it can kill water animals. another negative thing is it can cause the destruction of ecosystem. one way water pollution can be reduced is to conserve energy.

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.

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