Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Municipal type of pollution comes from sewage, storm drains, septic tanks, boats, and runoff from yards.

Answer: What type of pollution comes from sewage, storm drains, septic tanks, boats, and runoff from yards?


Question: Resistors connected end to end are said to be in series.

Answer: Resistors connected end to end are said to be in what?


Question: Some meteorites are made of iron and nickel and are thought to be very similar to the core of the earth.

Answer:
Some meteorites are made of iron and nickel and are thought to be very similar to what part of the earth?