If you set up set up your account to use a security key, can you still get in without having the physical key ?

In a system, when potential energy decreases, then entropy also decreases. true false

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

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?