Read the following to give the correct answer
 
1. 
Assertion (A): Metals are good conductors of heat.
Reason (R): Metals help transfer heat energy quickly.
 
 2. 
Assertion (A): In the firework sparkler, heat is transferred from the burning end to the other end without the movement of particles.
Reason (R): Heat is transferred from a hotter object to a colder object by conduction process.