Answer:
(a) The earth look like an orange, bulging on the sies and slightly flat at the top and bottom. The true shape of the earth is a geoid.
(b)Globe is a model of earth.
(c) North.
(d) The three heat zones are:
(i) Torrid zone. This zone spans across the equator. The torrid zone is the hottest part of the world.
(ii) frigid zone. The Artic circle demarcates the northern frigid zone. This zone is very cold.
(iii) Temperate zone. The Antarctic circle separates southern frigid zone from the temperate zone. The temperate zone is neither very hot nor very cold.
(e) Parallels of Latitude. Parallels of latitude are imaginary circles drawn parallel to equator. The distance between them is measured in degrees of latitude. .
Meridians of Longitude are also imaginary set of lines running from North pole to South Poles. They are semi circles. The distance between them is measured in degree of longitude. The distance between them decreases steadily pole wards until it becomes zero at the pole, where all the meridians meet. They are 360 in number.
(f) The torrid zone receives the maximum amount of heat throughout the year because the rays of the sun fall vertcally on this regon. This is located between the tropic of Cancer and Tropic of Capricorn in 23 1/2N to 23 1/2 S.
(g) It is 5.30 p.m. in India and 12.00 noon in London because India is east of London. Places east of the Green wich Meridian experience day or sunrise earlier than the places lying west of the Prime Meridian.
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