Answers edited by Reyan Roberth

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• Why is virus replication unique?
  
• What is the bleeder current?
  
• What are some common mistakes students make with units of measurement?
  
• What is an antibiotic?
  
• What does alkyl mean?
  
• Why are alkenes important?
  
• Is HCl a Lewis acid?
  
• What is an elastic collision?
  
• What electric charge does an antiproton have?
  
• How do you simplify the expression #-(sin^2x+cos^2x)#?
  
• Why do galaxies form clusters?
  
• What is nucleosynthesis? How does it provide evidence to support the Big Bang Theory?
  
• What are ionic bonds?
  
• What composition of the Sun, its relationship to other stars, and some effects of its radiation on Earth's weather?
  
• The dendrite carries impulses? a) towards the cyton b) away from cyton c) across the body d) from one neuron to another
  
• How do you solve #y- 9y = - 16- 64#?
  
• Why is speed classified as a scalar quantity and velocity classified as a vector quantity?
  
• What are nuclear fusion reactions?
  
• Where does cellular respiration occur?
  
• What is another name of first law of motion?and why is it given that name?thank you so much
  
• cos x + cos2 x = 1, then sin8 x + 2 sin6 x + sin4 x =?
  
• How do you identify whether a functional group is acidic or basic? For example, which of these functional groups are acidic and which are basic? - Hydroxyl - Carbonyl - Carboxyl - Amino - Sulfhydryl - Phosphate
  
• What are the 3 sources of stem cells?
  
• What are the diseases caused by pollution?
  
• What is atomic mass?
  
• What are convex mirrors used for?
  
• What is the importance of the atmosphere?
  
• How does phenol differ from benzene?
  
• Write any three differences between virus and fungi?
  
• A triangle has sides 5cm, 12cm, 13cm. The length of the perpendicular from the opposite vertex to the side whose length is 13cm is?
  
• Differentiate between alkane, alkyne, alkene and alkyl ? Give at least 3 major differences of them.
  
• What is an electric force?
  
• Does anyone know the major organs of the respiratory system?? (human)
  
• Why are functional groups important?
  
• Why is benzene dangerous?
  
• Properties of triangles?