Answers created by Notar Victor

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• How to prepare ethanal from ethyne in shortest method? Urgent...
  
• Which compound reacts with acidic dichromate (Cr2O72- / H+) to give the product shown?
  
• Three times the sum of a number and four is the same as eight less than the number?
  
• How can you make enols?
  
• Explain the difference in the process of respiration in birds when flying and when not flying?
  
• Two example of Co-otdinate bond compound?
  
• When dna replicates the chromosomes are attached with centromere.how are homologous chromosomes attached?
  
• Question #aacb3
  
• Why the urethra is part of both the urinary and reproductive systems in males?
  
• Why is the skin considered to be an organ?
  
• How do valve deformities limit cardiac function?
  
• Why is inactivation of neurotransmitters important?
  
• Do intercalated discs and striations suggest the presence of skeletal muscle?
  
• Assuming a heart stops beating, what cellular process will be affected from the loss of oxygen, blood glucose, and waste removal?
  
• What body system receives information from inside and outside the body and responds to that information?
  
• What is the role of trypsin in digestion?
  
• How do antigens and antibodies differ?
  
• What is the parietal lobe's function in the brain? What is its purpose and what does it control?
  
• How often does the human skin regenerate itself?
  
• How does the lymphatic system differ in structure from the veins?
  
• How do you determine the number of pi and sigma bonds in a structure and locate them?
  
• You want to purchase a salt to melt snow and ice on your sidewalk. Which one of the following salts would best accomplish your task using the least amount (to reach same freezing point): NaCl or CaCl2?
  
• draw an octagon using a set square with 4 right angles?
  
• Question #0aff1
  
• Question #e59e8
  
• What's the difference between #y=(-x)^2# and #y=-x^2#?
  
• Why is the civil war important?