Buddha is shown symbolically through a wheel or footprints as well as

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

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

Ascientific idea becomes valid when it is what?