A substance that produces a lot of heat on burning is called

A substance that produces a lot of heat on burning is called;

Fuel

Explanation:

A fuel can be described as a material that can release energy such as heat energy or work when it is reacted with other material for example the reaction involving fuel substances such as, gas, wood, oil, or coal, and oxygen during burning (combustion) that produces heat energy, power and light.

answer:

i cant give me a pic

explanation:

import math

x=int(input("enter a number: "))

print (math.sqrt(math.fabs(