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Use the dictionary below to answer Questions 12 and 13.

Snail shell coiling is an example of Maternal Effect. Dextral protein (D-) causes right (dextral) coiling of the shell and is dominant to the absence of dextral protein (dd) which causes left (sinistral) coiling.  Martha is a pet snail and she has a sinistral shell.  Answer Questions 6–10. Indicate which statements are true and which are false.

Value for χ2:   

When Danny Diver who weighs 500 N steps off a diving board 10 m above the water, he hits the water with kinetic energy of _____________

Coat color is determined by two loci in large cats. Answer Questions 18-20.

A 0.5-kg blob of clay moving at 2.0 m/s slams into a 4.0-kg blob of clay at rest. The speed of the two blobs stuck together after colliding is about _____________

A 0.050 kg ball falls off a cliff. What is the magnitude of force of gravity on the ball?  

The impulse-momentum relationship is a direct result of ______________

A fire fighter of mass 80 kg slides down a vertical pole with an acceleration of 4 m/s2 . What is the magnitude of friction force acting on the fire fighter? 

The unit kilowatt-hour is a unit of [Answer1] and Joules is a unit of [Answer2]