Something is 100 nanometers in diameter.
in regard to their relative size, the described objects are
a. smaller than all known eukaryotic cells
b. approximately the size of a typical coccus bacterium
c. larger than a human red blood cell corpuscle
d. larger than all known bacteriophages

i believe the answer is a or 1

not sure if this what   you'r looking for would be percent composition

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.