IGCSE O Level Biology MCQs - Chapter 7
Effects of Human Activity on Ecosystem Multiple Choice Questions (MCQ) PDF Download - 22
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The Trivia MCQ: Increased melting of ice glaciers may be a result of;; "Effects of Human Activity on Ecosystem" App APK Download (Free) with answers: Smog formation; Greenhouse effect; Sun getting closer to the Earth every year; Moon moving away causing more tidal activities; for SAT test. Practice Learning with Biology Quiz Questions, download Kindle eBook (Free Sample) to study online schools courses.
Effects of Human Activity on Ecosystem Test Questions and Answers PDF Download: MCQ 22
Increased melting of ice glaciers may be a result of
- greenhouse effect
- smog formation
- sun getting closer to the Earth every year
- moon moving away causing more tidal activities
Use of fossil fuels causes
- pollution
- conservation of resources
- global warming
- infections
DDT (dichloro-diphenyl-trichloroethane: C14H9Cl5) is
- insoluble in water
- soluble in water
- sparingly soluble in water
- aspiringly insoluble in water
Harmful substances introduced in the air includes all, but
- carbon dioxide
- lead
- zinc
- nitrogen oxide
Risks of flood increases if
- more smog occurs
- more tress are planted
- soil erosion is prevented
- greenhouse effect increases
IGCSE O Level Biology Mock Tests
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