98.3k views
4 votes
Which of the following choices is not an

effective solution to the energy waste related
to inefficient lighting?
a. using low-pressure sodium lighting sources
b. pointing lights on billboards and street
signs upward
C. placing light sources on time controls
d. shielding light to direct it downward

1 Answer

7 votes

Answer: b is ineffective pointing lights on billboards and street signs upward

User Melissa Jenner
by
5.0k points