Aspectrum containing radiation of specific wavelengths is called a

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.

Which of the choices are parts of an atom? select all that apply. a.) compound b.) electron c.) neutron d.) molecule e.) photon f.) proton g.) element