Question

58. What are the various environmental conditions available on Earth
and continuation of life on Earth?
59. State one important consequence of each of the following:
(a) Rotation of Earth on its axis.
(b) Motion of tilted Earth around the Sun.
60 What is a satellite ? Name the natural satellite of the Earth
61. Moon does not have light of its own. How are we able to see the
62. Name the constellation which appears to have the shape of :
(a) a big bear (b) a distorted W or M (c) a hunter (d) a big
63. What are asteroids ? Where are they located ?
64. State two differences between the artificial satellites of the Earth
65. What is an artificial satellite ? Name any two artificial satellites
66. State five uses of artificial satellites.
67. Define light year. How many kilometres make 1 light year?
68. What is a comet ? Name the comet which was last seen in 1986
69. When does a comet become visible to us?
70. What happens to the tail of a comet when it moves far away fr​

Answer 1

Answer:

Explanation:Some special environmental conditions are responsible for the existence and continuation of life on the Earth. These include just the right distance from the Sun, so that it has the right temperature range, the presence of water and suitable atmosphere and a blanket of ozone.

Answer 2

Answer:

the environmental conditions on earth are ice age cool house warmhouse hot house

Explanation: