question_answer

DIRECTIONS: Read the passage given below and answer the questions that follow. Passage-2 Light a candle. Keep one hand above the candle flame and one hand on the side of the flame. Do you feel any difference in degree of hotness felt by two hands? How does the heat travel in air?

A) The air near the heat source gets hot and rises.

B) The air from sides comes to take its place.

C) In this way air gets heated.

D) All the above are correct.