It is difficult to burn a heap of green leaves but dry leaves catch fire easily

cbse
cbse-class-8-science
combustion-flame

#1

It is difficult to burn a heap of green leaves but dry leaves catch fire easily.
Explain.

Answer:
Green leaves have a lot of moisture in them. This moisture does not allow them to catch fire easily. However, dry leaves have no moisture in them. Therefore, they catch fire easily.