Luminosity has do with brightness of a star. It's essentially the power of the star, or how light is being emitted from the surface. About how much brighter is Antares than the Sun

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure