Which of the following statements are
correct?
I. Venus has the longest rotation period
of any planet in the solar system.
II. In all celestial bodies Venus is the
brightest.
III. Venus has no moon.
IV. The surface of Venus is obscured
by an opaque layer of clouds made
up of sulphuric acid.
A I and II only
B II, III and IV only
C I, III and IV only
D I, II, III and IV
wrong answer