How would you describe a food chain to someone who never thought about that idea before
1 answer:
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Answer:
Cost to supply enough vanillin is
Explanation:
Threshold limit of vanillin in air is per litre means there should be
of vanillin in 1L of air to detect aroma of vanillin.
So,
So amount of vanillin should be present to detect =
As cost of 50 g vanillin is therefore cost of
vanillin =