A. red waves B. Infrared waves C. Ultrasonic D. super sonic E. None of these
A. Energy B. Time C. Power D. Distance E. None of these
A. Power B. Electric Current C. Energy D. Time E. None of these
Question: Which of the following is the most toxic gas? A. Carbon dioxide B. Carbon monoxide C. Nitrogen D. Hydrogen
Question: Which synthetic fibre is known as artificial Silk? A. Nylon B. Rayon C. Cotton D. Terylene
Question: Air Conditioning Controls:___________? A. Circulation of the Air B. Humidity C. Temperature D. All of The Above
A. Seedless fruits B. Parthenogenesis fruits C. Parthenocarpic fruits D. placental fruits E. Organic fruits
A. Heating B. Beating C. Artificial nuclear radioactivity D. Chemical reaction