Charges
The glass is attracting the pieces of paper. What does
this tell you about the charges on the glass and the
paper
The glass and the paper have the same charge.
The glass and the paper have different charges
Neither the glass nor the paper has a charge

B.) The glass and paper have different charges

Explanation:

c)as speed changes, wavelength and frequency change.

everything changes!

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.