In terms of chemical structure, the passage mainly discusses three substances. They are ______.
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The author mentioned flying mice, blind lizards and worms in order to show that many strange things occur in the world.
What does the writer think is needed to solve our industrial problem
The author believes that life on other planets can take on forms ______ because even life on our own planet assumes such strange and various forms.
Modern theories of the development of stars suggest that almost every star has some sort of family of planets.