Answers Which of the following waves can propagate through a vacuum? Which of the following waves can propagate through a vacuum? A. High velocity sound waves B. Ultrasonic waves C. Acoustic waves D. Infra-red waves Correct Answer: Option D Explanation
Answers Which of the following statements is true of winds? Which of the following statements is true of winds? A. off-shore winds are usually wet B. they blow… Read More
Answers The three main classification of occupation are? The three main classification of occupation are? A. construction, trade and services B. manufacturing, industry and services C.… Read More
Answers The length of the two parallel sides of trapezium are 6cm and 10cm and the… The length of the two parallel sides of trapezium are 6cm and 10cm and the perpendicular distance between… Read More
Answers The Legislature is The Legislature is A. the body which adminsters thw law B. the body which makes law C. a… Read More
Answers International trade is necessary mainly because International trade is necessary mainly because A. no country can live in economic isolation B. different countries are… Read More