Environmental Studies Worksheet-8
C. Burning of fossil fuel that produces CO2
D. Burning of nuclear fuel
A. Soft parts B. Hard parts
C. Both D. None of the above
A. Keep it cold in summer B. Keep it warm in winter
C. is good for rains D. All of these
A. Metals B. Plastic C. Herbs D. Crops
A. As insecticides B. As manure
C. In making bricks D. To make oil
A. Salt B. Water
C. Salty water D. Salt and water
These represent the outcome when A was added to B. This shows that _____.
A. A is completely soluble in B
B. A is completely insoluble in B
C. B is partially soluble in A
D. B is partially insoluble in A
A. National roads B. City roads
C. National highways D. City highways.
A. Decrease in use of pesticides
B. Oil spills from ships
C. Reuse of industrial water by factories
D. Recycling of used water at home.
A. It was made underground when the earth formed
B. Long ago, cave people stored water underground
C. Water seeps into the ground from rain
D. It flows up from the centre of the earth.
(1)–C; (2)–B; (3)–A; (4)–A; (5)–B; (6)–A; (7)–D; (8)–C; (9)–B; (10)–C