Question

Why does a log of wood not burn by a matchstick but a paper does?

Answer 1

Answer:

here you go my friend

Explanation:A substance burns only when it reaches its ignition temperature, as paper has a lower ignition temp. than that of log of wood, hence can be burned by a matchstick, but a log of wood needs more energy to reach the ignition temp, hence cannot be burned by a matchstick.