Which of the following are NOT examples of digital information storage? a) DVD's
b) magnetic hard drives
c) compact disks
d) vinyl records

The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '

Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories

The radius of an atom is closest in size to a