The latest water filters use ____________(infrared rays/ultraviolet rays) for purification.

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Solution

There are different water filters used like sand, plastic bottle, charcoal and pallets of bleaching powder. The latest water filter uses ultraviolet rays.
Therefore, the latest water filters use ultraviolet rays.

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The latest water filters use ____________(infrared rays/ultraviolet rays) for purification.

There are different water filters used like sand, plastic bottle, charcoal and pallets of bleaching powder. The latest water filter uses ultraviolet rays.Therefore, the latest water filters use ultraviolet rays.

There are different water filters used like sand, plastic bottle, charcoal and pallets of bleaching powder. The latest water filter uses ultraviolet rays.
Therefore, the latest water filters use ultraviolet rays.