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Know MoreWhen exposed to ultraviolet, some substances, such as minerals, glow in characteristic visible wavelengths, a process called this?
Know MoreIn amphibians, reptiles, birds, and mammals, blood flow is directed in two circuits: one through the lungs and back to the heart, which is called what?
Know MoreA food web can be broken up into what further subdivision that usually has a few links in it?
Know MoreWhat instrument is used to make very sensitive mass measurements in a laboratory, usually in grams?
Know MoreWhat forms when nitrogen and oxygen combine at high temperatures?
Know MoreWhat are the two most common silicates?
Know MoreA diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width is called?
Know MoreThe bony socket that houses the eyeball and associated muscles is called?
Know MoreWhat happens when mammals raise their hair with tiny muscles in the skin?
Know MoreWhich has a higher metabolic rate, a mouse or an elephant?