Natural glass is not considered a mineral because it a. is not produced by geologic processes b. is organic c. does not have a fixed crystalline structure d. can be made synthetically as well as be a naturally occurring substance

light dependent reactions:

light independent reactions:

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homeostasis is the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. and this is how it applies to the integumentary system. back to top. skin functions in homeostasis include protection, regulation of body temperature, sensory reception, water balance, synthesis of vitamins and hormones, and absorption of materials. when body temperature falls, the sweat glands constrict and sweat production decreases.