If a cat with long black hair (Llbb) is crossed with a cat with short black hair (llbb) what is the probability that an offspring will have long black hair OR short black hair? Use your notebook to complete the dihybrid cross. , or 75%

1,or 100%

0

, or 50%

What is the function of the commutator in a dc motor? a. to spin the magnet b. to change direct current into alternating current c. to change alternating current into direct current d. to spin the wire coil

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?