When an electric current is passed through an insulated wire that is coiled around an iron core, like a nail, what is created?
(A) electromagnet
(B) natural magnet
(C) solenoid
(D) horseshoe magnet

Match the following items. 1 1 (4,4) 2. (-4,-2) 3. (3.-6) 4. (-4, 6) 5. (1,5)

Why is oman trying to develop its tourism and manufacturing sectors?

You have been tasked with sorting the rock samples shown into three categories, with two rocks in each category. what attribute would you use to sort these rocks? which rocks would be in each category? rocks: obsidian, coquina limestone, granite, soapstone,pumice, and gneiss.