He will likely succeed if only his nervousness is at the medium level for this will allow Vance to overcome his task as the medium level is set to overcome medium tasks in which he is on right now with lecturing in having to be nervous of doing or having a mistake.

Why do plants need nitrate ions?

For making amino acids ( Option A )

The plants need nitrate ions for <u>making amino acids</u>
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The reactants of cellular respirationare oxygen and sugar, which are theproducts of photosynthesis. ... When plants are placed in darkness, cellular respiration continues, using ATP to convert sugar into ADP and releasing carbon dioxide. Photosynthesis stops in the absence of light energy.