Biology · Ecology and Environment
निम्नलिखित में से किसे जैव-निम्नीकरणीय (biodegradable) प्रदूषक माना जाता है?
- 1घरेलू सीवेज (मलजल)✓
- 2प्लास्टिक कचरा
- 3भारी धातुएं
- 4पारा (मरकरी)
सही उत्तर देखें
घरेलू सीवेज (मलजल)
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