The Moon is slowly moving away from Earth

Indicate whether the statement is true or false


TRUE

Physics & Space Science

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Suppose a future telescope is able to take a spectrum of a terrestrial planet around another star and reveals the presence of significant amounts of ozone. What would this mean, and why?

What will be an ideal response?

Physics & Space Science

Electric and magnetic fields combine to produce

A) sound. B) light. C) both of these D) none of the above

Physics & Space Science

How does fractional distillation work?

A) It takes advantage of the different boiling points of molecules to separate them. B) It takes advantage of the different weight of molecules to separate them. C) It uses the fraction of carbon in the isomers to separate the molecules. D) It takes advantage of the different melting points to separate molecules. E) none of the above

Physics & Space Science

Which of the above molecules is a phenol?

A) a B) b C) c D) d E) a and d

Physics & Space Science