Which of the following is not a key characteristics of thermal equilibrium? two objects must be in contact with each other
they must be at the same temperature
There must be no net thermal energy transfer
They must have different temperature

b

step-by-step explanation: a third of 24 is 8, 8 times 3 is 24 so 8 - 2 would be 6

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.