Environment & Ecology · Environment
एक पारिस्थितिकी तंत्र में ऊर्जा का प्राथमिक स्रोत क्या है?
- 1सौर ऊर्जा✓
- 2हरे पौधे
- 3भू-तापीय ऊर्जा
- 4जैवभार (Biomass)
सही उत्तर देखें
सौर ऊर्जा
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