1. A ball is kicked horizontally at 8 m/s from a cliff that is 80m high. It takes 3.1 s for the ball to hit the ground. What is the horizontal displacement of the ball?
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Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

What is the name of the two satelites on mars

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.