Human Activities and Ecosystem MCQs Quiz Worksheet PDF Download
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MCQ on Human Activities and Ecosystem Quiz PDF Download
MCQ: Dodo became extinct in
MCQ: Smoke particles and harmful gases released in air produces a
MCQ: Fertilizers supports growth of
- fruit plants
MCQ: If untreated waste water will be directly spill in to rivers, sea and lakes it may
- spread diseases
- all of them
MCQ: When forests are cleared on a very large scale by cutting or burning them down it is