University of Chittagong - ক ইউনিট

এক বছর ও পানির শতকরা পরিমাণ কত

Explanation

Greatest amount of energy is lost while

Explanation

Pupa swims in water through

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Each stage in food chain is called a/an

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Trophic level refers to the

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Balance between producers and consumers forms the

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Damage, diseases and death may be caused by the

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Malarial preventive drugs include

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Chemical energy trapped in dead bodies is released through the

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If plants absorb carbon dioxide (CO2) in water (H2O), water becomes

Explanation