Did you know?
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
How to use the laws of exponents to simplify an expression (Part 1)
How to use the laws of exponents to simplify an expression (Part 2)
How to simplify complex fractions
Simplify the following expressions:
Simplify the following expressions:
Expand and simplify quadratics