Brightness is an attribute of visual perception in which a source appears to be radiating or reflecting light.In other words, brightness is the perception elicited by the luminance of a visual target. This is a subjective attribute/property of an object being observed and one of the color appearance parameters of color appearance models.
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I'm pretty sure its Skeletal System
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infection
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Hepatitis A is a highly contagious, short-term liver infection caused by the hepatitis A virus.
hope this helped,brainliest
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Scientists have linked that serveral personal problems risk factors to falling, including muscle weakness, problems with balance and gait, and blood pressure that drops too much when you get up from lying down or sitting
Many things can trigger an asthma attack such as; cold air, dust mites, pollen, smoke, mold
