A) Crust B) Outer core C) Mantle D) Inner core
A) Venus B) Mars C) Jupiter D) Saturn
A) 71% B) 50% C) 33% D) 85%
A) Thermosphere B) Stratosphere C) Troposphere D) Mesosphere
A) Makalu B) Mount Everest C) Lhotse D) K2
A) Carbon dioxide B) Nitrogen C) Argon D) Oxygen
A) Respiration B) Photosynthesis C) Evaporation D) Fermentation
A) Atlantic Ocean B) Pacific Ocean C) Indian Ocean D) Southern Ocean
A) Isaac Newton B) Alfred Wegener C) Charles Darwin D) Marie Curie
A) The Sun B) Fossil fuels C) Wind energy D) Geothermal energy
A) Ecology B) Geology C) Astronomy D) Meteorology
A) Stratosphere B) Troposphere C) Mesosphere D) Thermosphere
A) Earth, Mars, Jupiter, Saturn B) Mercury, Venus, Earth, Mars C) Jupiter, Saturn, Uranus, Neptune D) Sun, Mercury, Venus, Earth
A) 48 hours B) 24 hours C) 36 hours D) 12 hours
A) Antarctica B) Sahara Desert C) Gobi Desert D) Arabian Desert
A) Tropic of Capricorn B) Equator C) Tropic of Cancer D) Prime Meridian
A) Greenhouse effect B) Rainbow refraction C) Aurora borealis D) Rayleigh scattering
A) Oxygen B) Silicon C) Aluminum D) Carbon
A) Titan B) Moon C) Europa D) Ganymede
A) Cenozoic Era B) Mesozoic Era C) Paleozoic Era D) Precambrian Era
A) Magnetism B) Friction C) Centrifugal force D) Gravity
A) Gondwana B) Laurasia C) Rodinia D) Pannotia |