estion n- 0
a) How are days and nights caused? (3)
b) What is the equator? (2)
c) What do you understand by the term orbit of the Earth? (2)
d) How many movements of the Earth are there? Name them. (2
e) Write the meaning of the 'hemisphere'. (1)
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Answer:
a) Day and night are caused because of the rotation of earth around the sun.
b) An equator is an imaginary line around the middle of a planet or other celestial body.
c) An orbit is the path that an object takes in space when it goes around a star, a planet, or a moon.
d) The two main movements of the Earth are the rotation of the Earth around its axis (it takes 24 hours to complete one rotation), and the revolution of the Earth, or orbital motion, around the Sun (which takes 365 ¼ days, or 1 year, to complete).
e) one half of the earth
पृथ्वी का आधा भाग; गोलार्ध
Answer:
a)How are days and nights caused?
b)What is the equator?
c)What do you understand by the term orbit
c)What do you understand by the term orbit of the Earth?
d) How many movements of the Earth are
d) How many movements of the Earth are there? Name them.
e) Write the meaning of the 'hemisphere'.
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