The table shows the results from an experiment designed to measure the momentum of two marbles, both before and after a collision. A fifth experiment is run, and the pre-collision momentum of marble 1 is 20 units. The total post-collision momentum is 40 units. What is the post-collision momentum of marble 1? A) 5 units. B) 10 units. C) Without more data about the pre-collision conditions, it is impossible to say. D) Without more data about the post-collision conditions, it is impossible to say.

[ 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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the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

the growth of the plants is affected by the heat of the light. what is the student doing?