Ozone hole is present above

Ozone hole is the

Ozone hole is created by

Ozone hole causes

Ozone hole is widest over

Ozone hole is widest over

Ozone hole is due to:

Ozone hole cause

Ozone hole cause

Ozone hole has been observed above __________.

Assertion (A) : The decline in the thickness of the ozone layer over restricted area is called ozone hole. Reason (R) : An Ozone hole is really not a hole but rather a thinning of the ozone layer in the stratosphere.