The following are capable of providing diffuse or irregular reflection except for:
A.asphalt roadway
B.calm water
C.clothing
D.paper
Why is "AMBULANCE" spelled backwards on the front of this ambulance?
A.So it can be read properly in a car rear-view mirror
B.So that the ambulance driver can see it clearly
C.So that it can be read by oncoming vehicles
D.So it can be read from a plane or helicopter​