If the frequency of a wave doubles, which of the following could be true? a. the pitch gets lower b. the pitch gets higher c. the pitch does not change d. the pitch becomes negative

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

What was bohr’s contribution to the planetary model