Even though a water treatment plant & recycles water, all of the debris and toxic substances removed from the used water have to be disposed of somewhere. When a water treatment plant dumps its waste into a nearby reservoir, it is guilty of A) air pollution
B) point source pollution
C) nonpoint source pollution
D) thermal pollution in

What is the difference between how ionic and covalent bonds form

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.