Why is life on Mars and Venus planets not possible?
It is so because on these planets carbon dioxide forms about 95-97% of the atmosphere.
Why life exist on earth but not on venus and mars? [2 MARKS]
Asteroids revolve around the sun between the orbits of the planets:
(a) Mars and Earth
(b) Venus and Mars
(c) Jupiter and Mars
(d) Mars and Saturn
Answer the following question.
(a) What is meant by the ‘rotation’ of planets?
(b) What is the special feature of Venus?
(c) Why is Mars called the Red Planet?