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The two main types of roots are taproots and fibrous roots. Taproot plants have long primary roots that are used to obtain water from deep sources. Fibrous root plants have masses of fine, slender roots that branch out f... More »

To type the square root symbol, enable the Num Lock key, hold down the Alt key on your keyboard, and type the numbers 0251. If you are using a laptop computer, you must also hold down the Function key, which is not prese... More »

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To type the square root symbol on a PC, hold the Alt key. Type "251", and release the Alt key. More »

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