Imagine a glass box that is completely sealed and in that box is a cactus in a small pot which statement is most accurate?
a. this is an open system because the light can go through the glass and get into the box
b. this is an open system because air is circulating inside the glass box
c. this is a closed system because nothing of substance and get in or out of the box
d. this is a closed system because of light enters through the glass box