The speed of light
changes as it goes
through different
mediums. what does
this cause?
a. it causes light to change
direction or appear "bent".
b. it causes light to bend at right
angles.
2
c. it causes light to stop
traveling.
d. it causes light to move
backwards.

A is right option that light bends and changes its direction

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.