Which of the following materials are the main contributor towards land pollution?
a) polymeric material
b) plastic
c) both a & b
d) none of these
The greater the permeability the greater the risk of………….
a) land pollution
b) water pollution
c) noise pollution
d) afforestation
Which of the following rock fragments formed from natural weathering process?
a) gravel
b) sand
c) slit
d) all of these
How many million metric tons of plastic are discarded into oceans in 1950?
a) 1.5
b) 1.6
c) 2
d) 3
When air becomes dirty, unhealthy and smoky it leads to…
a) noise pollution
b) water pollution
c) air pollution
d) binning
Which of the following are the major source of air pollution?
a) volcanic eruption
b) forest fires
c) industries
d) all of these
