Answer:
Sun and the stars, nothing humans don't use fusion at all
Explanation:
A.
Weldings sparks could start fire on wood.
Lightning can ignite a fire one a tall tree
Open flames can start another fire if made in contact especially with flammable substances
Answer:
Explanation:
A reaction is spontaneous at all temperatures by the following combinations:
=> A negative enthalpy change ( )
=> A positive entropy change ( )
See the attached file for more better understanding!
It will slowly rotten and turn brown