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Human reactions are a response to an external change
Reflex actions help to protect the body against damage
a student investigated whether using right hand or left hand had an effect on reaction time
The student tested right handed people
Describe a method for the students investigation
include details of the test you would use for reaction time (4marks)
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Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f
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Human reactions are a response to an external change
Reflex actions help to protect the body again...
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