Q. 35 The northern plain of India has been formed by the interplay of the three major river systems, namely the Indus, the Ganga and the __________________.
Answer: (A) Desert Explanation: In meteorology, diurnal temperature difference is the difference between a high temperature and a low temperature that occurs during the same day.
Q. 47 A difference between 2 longitudes at equator is nearby equivalent to _________________.
(A) Sea animals are salt-producing (B) The air around the sea is saltish (C) Rivers wash away salts from earth and pour them into the sea (D) Sea beds have salt-producing mines