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What is the difference between DR. and Dr.?

What is the difference between DR. and Dr.?DR.This is used for people who have attained heights …

What is Goldbeater's Skin?

Goldbeater's skin is the processed outer membrane of the intestine of an animal, typically a…

ब्लू लाइट क्या है? Blue Light, Blue Cut Glasses and Your Eye

सूरज की रोशनी लाल, नारंगी, पीले, हरे, नीले, इंडिगो और वायलेट लाइट से बनी होती है। जब संयुक्त हो…