Questions asked by Phia

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• When you apply heat energy to molecules what happens?
  
• What is the difference between mass and weight of an object?
  
• What unit is mL interchangeable with? I'm pretty sure it is cm3, but I'm not 100% sure!
  
• This is a trick question: a bat and a ball cost $1.10 together. If the bat costs $1 more than the ball, then how much does the ball cost? Here's the video I got this from: https://www.youtube.com/watch?v=JiTz2i4VHFw
  
• What are global winds and how do they form?
  
• What are the most abundant gases in our atmosphere? Please list in order. Thanks!
  
• What are 2 or more examples of interactions between the hydrosphere and the atmosphere?
  
• I have a number which is greater than 70 but less than 80 and is the quotient of 234. What is my number?
  
• What are some examples of carbon sources and carbon sinks?
  
• What is the Keeling Curve?
  
• What normally happens after a mass extinction?
  
• What normally happens after a mass extinction?
  
• Why is the Middle East referred to as the crossroads of the world?
  
• What are three major obstacles to peace between Israel and Palestine?
  
• Polynomials??
  
• What's the difference between a covalent compound and an ionic compound?
  
• It takes 7 people 5 minutes to paint 3 walls. How long will it take 5 people to paint 2 walls?