Which of the following is an example of a scientific theory? There is probably life on Mars.
Matter behaves the way it does because it is made of atoms.
Force equals mass times acceleration.
Matter can be neither created nor destroyed.

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

Displacement is the slope of a velocity vs. time graph a. true b. false

The kw for water at 0 °c is 0.12× 10–14 m2. calculate the ph of a neutral aqueous solution at 0 °c.