A skateboarder applies a force of 850 N to travel 15 m to the top of a hill. In the process he expended 4000 J of energy to overcome friction. How much potential energy would he have as he begins heading downhill? A) 8,750 J
B) 12,750 J
C) 16,750 J
D) 60,000 J

[ answer ]

foliated

[ explanation ]

foliation forms in a rock when pressure squeezes the rock together. the rock then has a design of many different color little lines. there are three types of foliated rock. the types are slate, schist, and gneiss. each type of foliated rock is different based on grain size and foliation characteristics. the lines appear when the rock has been under pressure.

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this is a good question! i'll do some research and come back when i have the answer!

the fossil record provides evidence of a common ancestor to many species.

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.