class 6 questions please tell me fast
Answers
Answer:
Earth is the only planet where life is possible yet , and it is very beautiful planet also but nowadays we r polluting our mother Earth .so that's why it is unique planet.
Answer:
(1) The most widely accepted theory of planetary formation, known as the nebular hypothesis, maintains that 4.6 billion years ago, the Solar System formed from the gravitational collapse of a giant molecular cloud which was light years across.
(2) (a) The closest planet to the Sun is Mercury.
(b) The farthest away is Neptune.
(c) The biggest planet is Jupiter.
(d) The smallest planet is Mercury.
(e)The Earth is the only planet that we know has creatures living on it.
(f) The Earth rotates as it orbits the Sun.
(3) To enable life, this most special of attributes, planet Earth has a number of ideal features. It is unique among planets in our solar system for having water in its liquid form at the surface, in an amount conducive to life evolving.