3. Pencils should not be used inside the computer to change the setting of switches or to and
pry off jumpers because the tip contains lead which can act as a
may damage the computer Components.

True

Explanation:

Pencils indeed should not be used as tools when working inside a computer because it is made of Lead.

Lead is a conductor of electricity and as such if it is left inside the computer at even miniscule quantities, it can redirect electricity and damage components in the process.

If one wants to work inside a computer, it is best to use tools like tweezers and needle-nose pliers.

answer: 0.20

explanation: this can only be the answew because all the other measuremnets are not close

i believe the answer would be:

d. violin, clarinet, french horn, and tuba