10 grade science> 106. Name the contraceptive device which ...
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What type of questions asked from the lesson of magnetic effect of electric current
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Wavelength of green light is
A) 400-450 nm
B) 500-550 nm
C) 660-720 nm
D) 720-800 nm
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What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?
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What are the main components of our environment? Explain each of them briefly.
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What are examples of hydrotropism plants?
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