Answers created by Mahendra S.

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• How do you graph #y=-x+2# by plotting points?
  
• How do you solve the quadratic #x^2+3x-28=0# using any method?
  
• Question #617b0
  
• What is the primary role of fungi in most ecosystems?
  
• Question #0c167
  
• What happens when an acid reacts with an active metal?
  
• How does groundwater become polluted?
  
• How do you evaluate #cos(-210)#?
  
• Question #fadd5
  
• How do soils become fertile?
  
• A 68 kg runner exerts a force of 59 N. What is the acceleration of the runner?
  
• An object with a mass of #32 g# is dropped into #250 mL# of water at #0^@C#. If the object cools by #60 ^@C# and the water warms by #3 ^@C#, what is the specific heat of the material that the object is made of?