The …………… which are used in air contioners, refrigerators are responsible for global warming.

What is global warming?

Cause of global warming is -

There are many………… effects of global warming.

Rahul remarked that different human activities are responsible for global warming. What might be the resasons for his statement ?

Which of the following is used as refrigerant

Which substance is responsible for rusting.

The compound used as refrigerant is

The correct match which is responsible for colour

Which is not used as a refrigerant