Get premium membership and access questions with answers, video lessons as well as revision papers.

Which one of the following is an efficient way of using energy?

      

Which one of the following is an efficient way of using energy?
A. Drying grain using solar.
B. Using a vacuum flask to keep tea hot.
C. Using biogas.
D. Putting off wood fire when not in use.

  

Answers


sharon
The correct answers B. Using a vacuum flask to keep tea hot.
sharon kalunda answered the question on July 29, 2019 at 11:02


Next: Which one of the following sources of energy is exhaustible?
Previous: The following can produce electricity except

View More KCPE Science Questions and Answers | Return to Questions Index


Learn High School English on YouTube

Related Questions