Stars that are not very hot but give off a lot of light are nebula main sequence stars giants dwarfs

Why do you think water is so important to living things

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen