(a) 20th March(b) 21st June ✅(c) 22nd December(d) 23rd September

(a) Water(b) Climate ✅(c) Dewdrops(d) Rocks

(a) 21st March and 24th December(b) 14th January and 23rd September(c) 21st March and 23rd September ✅(d) 14th January and 22nd June

(a) Robert Peary(b) Amundsen  ✅(c) Cabot(d) None of these

(a) Asia(b) Africa ✅(c) North America(d) South America

(a) Cyclone(b) Monsoon(c) Jet stream ✅(d) China

(a) Specific humidity(b) Relative humidity(c) Absolute humidity ✅

(a) Coriolis force ✅(b) Gravitational force(c) Centripetal force

(a) Bhutan ✅(b) China(c) Pakistan(d) Mongolia

(a) Tanzania(b) Mexico(c) Mongolia ✅(d) Stratus

(a) Deforestation of large areas(b) Release of chlorofluorocarbons ✅(c) Changes in asteroid activity(d) Release of industrial waste

(a) Troposphere ✅(b) Stratosphere(c) Mesosphere(d) Exosphere

(a) Isobar(b) Isohyet ✅(c) Isotherm(d) Isoneph

(a) Maximum when it is farthest from the Sun(b) Maximum when it is closest to the Sun ✅(c) Remains constant at all points on the orbit(d) Decreases continuously

(a) 3.6 billion years(b) 4.6 billion years ✅(c) 5.6 billion years(d) 6.6 billion years

(a) The Earth rotates from North to West(b) The Earth rotates from West to East (W to E) ✅(c) The Earth revolves around the Sun from North to East

(a) Sixth of November(b) Seventh of November(c) Eighth of November(d) Tenth of November ✅

(a) Earth, Moon, and the Sun are aligned in a straight line ✅(b) Sun, Earth, and the Moon form right angles to each other(c) Earth is at a distance from the Sun(d) Bay

(a) Ganges(b) Nile(c) Amazon ✅(d) Yangtze