1. Name any two inflammable substances. 2. Which unit is used to measure fuel's efficiency?3. Define ecosystem.4. Give one word for "cutting down forests andusing the land for other purposes".

1. Name any two inflammable substances. 2. Which unit is used to mea

1.	1. Name any two inflammable substances. 2. Which unit is used to measure fuel's efficiency?3. Define ecosystem.4. Give one word for "cutting down forests andusing the land for other purposes".
Answer» 1. petrol ,alcohol ,liquefied Petroleum GAS are two inflammable substance.2. miles per GALLON is the unit used to measure fuel efficiency.3. a BIOLOGICAL community of interacting organisms and their physical environment is called ECO system.4. DEFORESTATION is the word used for "cutting down forest and using the land for other purposes".please mark as brainlist answer.