Answers edited by Sarah C

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• Is oxygen an organic or inorganic molecule?
  
• What happens to neurotransmitters after synaptic transmission and why does this need to happen?
  
• How do you solve #x=y+4# and #5x+3y=-20# using substitution?
  
• How long does it take to travel 500 light years?
  
• Why does the small intestine require an alkaline pH?
  
• What is the basic cell of the nervous system?
  
• Does cartilage contain blood vessels?
  
• What is the function of water in photosynthesis?
  
• What advantage is it that the human body temperature 37 degrees?
  
• What does it mean when a substance has a pH greater than 7?
  
• What are some functions of muscles?
  
• What is ionic solution?
  
• Why do food chains rarely have more than four trophic levels?
  
• What is the equation of the line between #(10,23)# and #(-1,0)#?
  
• What is leukocytosis?
  
• What is momentum?
  
• What does insoluble fiber do in digestive system?
  
• Did Churchill like Stalin as a person?
  
• What are examples of demand-pull inflation?
  
• What is the process of photosynthesis?
  
• How does cartilage receive nutrients?
  
• What is the difference between epithelium and epidermis?
  
• How are photosynthesis and cellular respiration similar?
  
• Question #83e8e
  
• 28 A girl is long-sighted. Which statement is correct? A She sees close objects less clearly than a person with normal vision. B She sees distant objects more clearly than a person with normal vision.
  
• In a neural pathway, a synapse is what?
  
• What is the difference between psychology and physiology?
  
• What is the difference between respiration and photosynthesis?
  
• What gives off heat radiation?
  
• Adolescent females often require additional amounts of iron in their diet. Why?