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Archy [21]
4 years ago
9

___ is often a major part of fertilizers since the plant cannot usually produce (or obtain) sufficient amounts. Which of these i

s not a recognized class of plant hormone?
Food
Sugars
Nitrogen
Potassium
Biology
1 answer:
prisoha [69]4 years ago
5 0
The answer you are looking for is C. Nitrogen. Commonly found as Nitrite 
(N3) or Nitrate (N2) nitrogen is a key element required by all life. Nitrogen is most often released back into the atmosphere by micro-organisms during the decomposition of organic matter, and into the ground through decomposition and defecation (Pooping).
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List three types of evidence that plants existed on Antarctica.
Advocard [28]

Pollen , coal and stems  are evidences that plants existed in Antarctica.

Explanation:

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  • Pollens are reproductive units of Plant that suggest existence of plants in the Ice covered land.
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The answer to this question is

Is diffusion active or passive transport of particles across the cell membrane?
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