Why do walls of trachea not collapse when there is less air in it?
Why do walls of trachea not collapse when there is less air in it?
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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Why is water liquid at room temperature?
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