10. If pollution can be identified specifically as coming from a single pipe or series of pipes, it is
said to come from a
a. Non-point source
b. Single point source pollutant
c. Factory
d. Hard identifiable source

Which best describes how sediment forms? loose material is cemented by pressure. erosion breaks down rock and other material. molten rock cools above earth's surface. chemical changes cause sediment to compact together.