The correct answer is c hypothesis
The surface would be flat
A tornado! I think or it could be rain
Answer:
(we use hess's law) it is so simple but the second reaction is not correct please right it
Answer:a As the name suggests, a permanent magnet is 'permanent'. ... An electromagnet is made from a coil of wire which acts as a magnet when an electric current passes through it. Often an electromagnet is wrapped around a core of ferromagnetic material like steel, which enhances the magnetic field produced by the coil.... hope these helps chu :/
Explanation:
