Through the process of active transport, materials move across a cell membrane: A.
between areas of equal concentration

B.
from an area of higher concentration to an area of lower concentration

C.
from an area of lower concentration to an area of higher concentration

D.
all of the above

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.