Respuesta :
The correct answer is B. drop and roll on the floor to extinguish the fire. A is incorrect because you'd be wasting time doing that. C is incorrect because there may not be a source of water in a lab, so you'd be wasting time here as well. Your best option is just to drop and roll on the floor, in order to extinguish the fire, and then you'll be safe.
Answer: B - Drop and roll on the floor to extinguish the fire
Explanation:
A fire can be a natural hazard which can erupt in a laboratory due to chemical reaction or due to the uncontrolled burning of a fuel. Proper safety precautions should be taken to handle incidences of fire in a laboratory.
Among the options given, B - Drop and roll on the floor to extinguish the fire is the correct option because if the person drops and rolls over the floor the fire extinguishes with pressure of the body applied on the floor.
Call out to your teacher will consume the time this will lead to more damage cause to the skin or clothes.
Run towards a source of water to extinguish the fire, as we know that water will provide oxygen to fire, because of this the fire will erupt more severly when receives the oxygen.