Fill the missing word in the blank spaces in the following statements:
(a) Wind is ________ air.
(b) Winds are generated due to ________ heating on the earth.
(c) Near the earth’s surface __warm__ air rises up whereas _______ air comes down.
(d) Air moves from a region of __________ pressure to a region of ________ pressure.
(a) Wind is __moving__ air.
(b) Winds are generated due to __uneven__ heating on the earth.
(c) Near the earth’s surface __warm__ air rises up whereas __cold__ air comes down.
(d) Air moves from a region of __high__ pressure to a region of __low__ pressure.