Question

Question 24
In the following statements, the underlined words are jumbled up. Write them in their correct form.
(a) Air contains 78% ginroten and 21% gonexy.
(b) Vehicles produce high level of pollutants like carbon dioxide, nitrogen oxides, nobracmoondexi and mosek.
(c) Carbon dioxide, thaneme, nitrous oxide and water vapour are known as heengrouse sesga.
(d) Gangotri glacier in Himalaya has started melting because of lablog ringwam.
(e) Whenever harmful substances such as wagese, toxic chemicals, silt, etc. get mixed with water, the water becomes potdulle.

Answer 1

(a) Air contains 78% nitrogen and 21% oxygen.
(b) Vehicles produce high level of pollutants like carbon dioxide, nitrogen oxides, carbon monoxide and smoke.
(c) Carbon dioxide, methane, nitrous oxide and water vapour are known as green house gases.
(d) Gangotri glacier in Himalaya has started melting because of global warming.
(e) Whenever harmful substances such as sewage, toxic chemicals, silt, etc. get mixed with water, the water becomes polluted.