A) Wind B) The Sun C) Fossil Fuels D) The Moon
A) Nuclear Fission B) Chemical Reaction C) Nuclear Fusion D) Gravity
A) Chromosphere B) Convection Zone C) Corona D) Photosphere
A) Solar Cycle B) Decadal Cycle C) Seasonal Cycle D) Lunar Cycle
A) About 1 week B) About 2 hours C) About 8 minutes D) About 1 day
A) Nitrogen and Sulfur B) Hydrogen and Helium C) Iron and Nickel D) Oxygen and Carbon
A) Chromosphere B) Corona C) Photosphere D) Convective Zone
A) Mercury B) Jupiter C) Venus D) Mars
A) Asteroids B) Solar Flares C) Comets D) Meteoroids |