1) explain how a normal eye accommodates to focus on a nearby object ? 2) why is accommodation not possible after cataract operation ?

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Any sound above what db can cause hearing loss in human beings

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast