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Biology

What is the soil like in the tundra?

What is the soil like in the tundra? The soil in the Arctic is largely permafrost or soil that remains frozen year-round, leaving only a thin surface layer of thawed soil in summer for plant roots to grow in. Tundra soil is also scarce in many of the nutrients that plants need to grow. What […]

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What Quran says about woman?

What Quran says about woman? Sura 33:32–34 declare that women of the prophet are not like other women and so specifies special etiquette for them. “O women of prophet! You are not like other women; if you remain pious then do not be so much polite in speaking so that he who has disease in […]

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Which receptors in the eye are sensitive to color?

Which receptors in the eye are sensitive to color? Cone cells, or cones, are photoreceptor cells in the retinas of vertebrate eyes including the human eye. They respond differently to light of different wavelengths, and are thus responsible for color vision, and function best in relatively bright light, as opposed to rod cells, which work […]

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