What is the principal source of energyinput to biological systems?
(A) Carbohydrates from plants.
(B) Light from the sun.
(C) Nutrients from the soil.
(D) Oxygen from the air.
Answers
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1
Explanation:
The continual input of energy, mostly from sunlight, sustains the process of life. Sunlight allows plants, algae and cyanobacteria to use photosynthesis to convert carbon dioxide and water into organic compounds like carbohydrates. This process is the fundamental source of organic material in the biosphere.
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2
Answer:
nutrients from the soil
Explanation:
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