___________ are the remedial measure to control air

(a)

Establishment of industries

(b)

Growing plants and trees.

(c)

Use of mass transit system.

(d)

Increase in the length of the chimneys in industries.

The natural pollution causes both aquatic and

(a)

Cancer

(b)

Human illness

(c)

Children

(d)

Asthm(a)

Externalities refer to _________ effect

(a)

spillover

(b)

economic

(c)

demand

(d)

none of the above

____________ is one of the causes of production externalities.

(a)

Factory emission

(b)

Beehive pollination

(c)

Public safety

(d)

Noise pollution

_________________ considers the total economic process as a physically balanced flow between inputs and outputs.

(a)

Material Balance Model

(b)

Material Equality Model

(c)

Material Environmental Model

(d)

Material atmospheric Model