Consider the following statements. Choose the correct answer.
"Comets have no tail".
I. when they are far away from the sun.
II. when they are close to the sun.
III. when they are close to the earth.
IV. when they are in between the earth and the sun.
1
I, II, III and IV are wrong
2
I is correct but II, III and IV are wrong
3
I is wrong but II, III and IV are correct
4
I, II, III and IV are correct