What is the Range to produce the optimal amount of sugar for Water, Light, CO2, Temperature

For most crops the saturation point will be reached at about 1,000–1,300 ppm under ideal circumstances. A lower level (800–1,000 ppm) is recommended for raising seedlings (tomatoes, cucumbers and peppers) as well as for lettuce production

Explanation:

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answer; hypnagogic sensations)

b. the carbon cycle ensures living things have a source of hydrogen