Glass in a florist's greenhouse acts as a one-way valve by
A)blocking the flow of light energy.
B)blocking unwanted radiation.
C)being transparent only to lower-frequency waves.
D)allowing high-frequency waves to enter and blocking low-frequency waves from exiting.

Question

Quizplus · Accepted Answer

Glass in a greenhouse allows high-frequency waves (such as visible light) to enter, but blocks low-frequency waves (such as infrared radiation) from exiting. This creates a greenhouse effect, trapping heat and providing a warm environment for plants to grow.

Glass in a Florist's Greenhouse Acts as a One-Way Valve