Food is renewable resource due to:
Correct answer: C. Continuous photosynthesis
- A. Mechanical forming
- B. Improved crop varieties
- C. Continuous photosynthesis
- D. Pest control
Explanation
Food is considered a renewable resource primarily because of continuous photosynthesis, which allows plants to convert sunlight into energy, produce food, and support life on Earth. This natural process ensures that plants, which form the base of most food chains, can constantly produce food. Options A, B, and D refer to techniques and methods that enhance food production but do not inherently make food renewable. Mechanical forming prepares land for cultivation, improved crop varieties increase productivity, and pest control protects crops, but none of these address the natural regenerative process of photosynthesis.
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Pollution covers the sources and effects of air, water, soil, noise and thermal pollutants, including toxicity, biomagnification, eutrophication and global environmental change. Conservation focuses on protecting biodiversity through habitat preservation, sustainable resource use, protected areas, wildlife laws, and in situ and ex situ methods.
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