WHAT IF IT FINISHES?

natural resourses can be classified into _____ groups.

• one

• two

• three

• zero

these resources are limited and will be exhausted one day due to their extensive use.

• renewable resources

• non-renewable resources

• coal

• water

identify

• rock

• coal

• cement

• diamond

petroleum is also known as _______.

• crude oil

• rude oil

• LPG gas

• hydrogen

coal is _______.

• brikkle black rock

• brittle black rock

• brittle black sand

• brittle brown stone

full form of CNG

• compressed nature gas

• compreseed natural gas

• compressed natural gas

• combined natural gas

full form of LPG

• liquified petroleum gas

• liquified petrol gas

• liquid petroleum gas

• none of these

there is a lot of smoke when ______ wood is burnt.

• damp /wet

• hot

• dry

• burnt

petroleum is cleaned and its product are seperated in _________.

• refinery

• petrol pump

• garage

• house

solar energy is non renewable

true/false?

• true

• false