Question

EXERCISES
1.
Multiple choice questions.
(1) Which one of the following figures represents the age of the earth?
(a) 4.6 million years
(c) 4.6 billion years
(b) 13.7 billion years
(d) 13.7 trillion years
(ii) Which one of the following has the longest duration?
(a) Eons
(c) Era
(b) Period
(d) Epoch
(iii) Which one of the following is not related to the formation or modification
of the present atmosphere?
(a) Solar winds
(c) Degassing
(b) Differentiation
(d) Photosynthesis
(iv) Which one of the following represents the inner planets?
(a) Planets between the sun and the earth
(b) Planets between the sun and the belt of asteroids
(c) Planets in gaseous state
(d) Planets without satellite(s)
(v) Life on the earth appeared around how many years before the present?
(a) 13.7 billion
(c) 4.6 billion
(b) 3.8 million
(d) 3.8 billion​

Answer 1

Answer:

(1) c-4.6 billion years

(2) a-Eons

(3) b-differentiation

(4) b-planets between the sun and the belt of asteriods.

(5) d-3.8 billion