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What is color blindness primarily caused by?
A. Damage to the optic nerve
B. Deficiencies or absence of certain types of cones
C. Overactive rods in the retina
D. Problems in the cornea
Select your answer:
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Functional Anatomy in Track & Field › Viewwhen doing a RELAY CHANGEOVER what is important?
A. passing the baton at speed
B. waiting for your incoming runner to get to you
C. looking for the baton
D. passing the baton slowly and precisely
Nutritional Measurements › View
Which of the following statements best defines a calorie?
A. A unit of energy, equivalent to 1000 joules
B. The energy required to raise the temperature of 1 gram of water by 1oC
C. The energy required when your body is at rest
D. 1 calorie is the equivalent of 1000 joules