A．A warm colour is a colour that is often used in restaurants.B．A warm colour is a colour that gives off heat.C．A warm colour is a colour near the red end of the light spectrum.D．A warm colour is a colour that makes people feel upset.
A．A warm colour is a colour that is often used in restaurants.
B．A warm colour is a colour that gives off heat.
C．A warm colour is a colour near the red end of the light spectrum.
D．A warm colour is a colour that makes people feel upset.