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a)An extreme allergic reaction that cause death
b)Artificial- acquired after vaccination
Natural-acquired after exposure to a disease
c)i)Reduces surface area for transpiration to occur
ii)Water vapour accumulate in sunken pits reducing saturation deficit for transpiration to take place
iii)Reduces distance for diffusion of water vapour from epidermal cells ,Increasing the rate of transpiration
Githiari answered the question on September 13, 2017 at 19:03
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