Let AB is tower of 100m height x,y are the place where 2 boys standing. ∠AxB = 30° ∠AyB = 45° D = h (cotα + cotβ) D = 100 (cot30° + cot45°) D = 100 (√3 + 1) Then distance between the boys is = 100 (√3 + 1)
Which is a day-neutral plant?
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In haustellate mouthparts used for piercing and sucking, the stylets primarily derived from the mandibles are known for their:
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