When the subject needs to be emphasized more than the action performed,the active voice is used.So (a) is correct
If you look at a dictionary to substantiate is to support an opinion or claim with proof or evidence. So a Substantiated opinion is an opinion that is backed up with proof.
Hope this helps :)
Answer:
It's the third option
Explanation:
<u>It's the third option because </u>
<u> (which is 1 nitrogen gas) + </u>
<u>(which is 3 hydrogen gas) = </u>
(<u>which is 2 nitrogen hydrogen gas) so thus it's the 3rd option</u>
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<u>I hope that my answer helped you and I'd really appreciate it if you mark my answer the brainliest! :)</u>
