1.What form of energy is produced when the strings of a guitar are plucked A. Mechanical
C. Radiant
B. Electrical
D. sound​

D. sound

Explanation:

When the string is plucked, a certain amount of the potential energy is converted to kinetic energy.

Explanation:

sound energy is produced when the strings of a guitar are plucked ..

themselves

an intensive pronoun is a pronoun that ends in self or selves, such as himself, herself, themselves, yourself, ourselves. since band members is a third person plural, the correct intensive pronoun would be themselves. if the band was talked about as a collective noun, itself would be the appropriate intensive pronoun. intensive pronouns are used to add emphasis to the noun it's modifying which is why it directly follows it.