Help please
Which element is in the same group as Al (aluminum)?

If you want to create an electrical current, which situation would produce a solution capable of this

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Heat is the total potential energy of a substance that can be transferred. true false