Im bored. what yall up t?

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

The condition in which joints are inflamed is bursitis select the best answer from the choices provided ot f

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.