Question

A flame always point upwards because .......................... a)gases produced in flames are hot b) gases produced in flames are cold c) hot gases are lighter and hence rises up d) both a and c

Answer 1

A flame always point upwards because .......................... a)gases produced in flames are hot b) gases produced in flames are cold c) hot gases arelighter and hence rises up d) both a and c

Answer - Option D that is both a and c

Answer 2

Answer:

both a and c

Explanation

a provides general info about the flame and then to facilitate the reason and explain it, c states 'how' part of a