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As lettuce's molecular structure is mainly made up of water (H2O), humans are unable to obtain energy, nor vitamins and nutrients from that source of food. As well as being made up of mainly water, lettuce, is a plant of cellulase. Therefore, humans need a more adequate source of food to help the body maintain its energy levels
The source of energy of plants is sunlight.
i dun know sry .............
Plants get their energy from the sunlight.
No, lettuce is a long-day plant.
sun
Sunlight
Mitochondria
Sun is the source of solar energy. Heat is present in solar energy.
The original source of the energy in any combustible plant material is from the sun.
Thermal energy
virgil and his father plant lettuce!