Assertion It is hotter over the top of a fire than at the same distance on the sides .
Reason In the upwared direction , the heat propagate through convection.

It is hotter over top of the fire than at same distance on the sides due to

Assertion : It is hotter over the top of a fire than at the same distacne of the side. Reason : Air surrounding the fire conducts more heat upward

Assertion : It is hotter over the top of a fire than at the same distacne of the side. Reason : Air surrounding the fire conducts more heat upward

(A) : It is hotter over the top of a fire than at the same distance on the sides. ( R) : Air surrounding the fire conducts more heat upwards.

Assertion: Air at some distance above the fire is hotter than the same distance side wise. Reason: Air surrounding the fire carries heat upward due to conventional current.