Answers created by Alexander W. Smith

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• Were humans present when Pangaea was in existence?
  
• What is in empty space?
  
• What is the universe?
  
• What can antibiotics be used to treat?
  
• How do convergent boundaries affect the earth?
  
• Who were the little rock nine ?
  
• What is the crust of the earth made out of?
  
• What does sunshine patriot mean?
  
• How long can a nebula live?
  
• What features of an alien planet would you look for in order to determine if the planet experiences plate tectonics?
  
• If a certain star displayed a large parallax, what could you say about the star’s distance from earth?
  
• Why do massive stars die?
  
• How does earth core remain molten?
  
• What is the age of the earth and sun?
  
• What makes a black hole black?
  
• What is the proof for existence of black holes?
  
• How is the structure of earth similar to other planets in the solar system?
  
• How was the magnetosphere created?
  
• How long ago was the world created?
  
• Does the earth spin clockwise or counterclockwise?
  
• How many galaxies do astronomers estimate there are in the Universe?
  
• To what effect does astronomy have on nature?
  
• In simple terms, what is the Big Bang Theory?
  
• What are the different galaxies in space?
  
• How do the sun, stars and galaxies work together?
  
• How many suns does Saturn have?
  
• Why can the structure of the universe be compared to bubbles?
  
• What is the direction of revolution of earth around the sun?I wanna know that ....is it clockwise or anticlockwise ?
  
• What forces does a black hole use?
  
• Which way does the earth rotate: east or west?
  
• How does temperature change the phases of matter?
  
• Which of the following is not equivalent to the remaining three?
  
• How do you turn 4/5 into a decimal and percentage?
  
• What is the lithosphere?
  
• How do you graph #x>=2#?