The Wind-Chill Index Takes into Account the Wind Speed at About

Multiple Choice

The wind-chill index takes into account the wind speed at about ____ above the ground instead of the where official readings are usually taken.

A) 10 m (33 ft)
B) 5 m (16.5 ft)
C) ​100 m (330 ft)
D) ​1.5 m (5 ft)
E) ​15 m (50 ft)