Question

Which sentence best supports the answer to Part A?

"Like electricity, magnets are present wherever we look."

"Earth itself has a very powerful magnetic field."

"The core of Earth is composed of several ferromagnetic elements, and the current that flows in Earth's center makes our planet onr very large electromagnet that cannot be turned off!"

"In our modern world, electricity and magnetism work together to help televisionsm, computer disks, and credit cards function properly."

Answer 1

"In our modern world, electricity and magnetism work together to help televisionsm, computer disks, and credit cards function properly."

This sentence gives concrete examples that support the answer in Part A.