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