Angela tries to pick up a copper penny using a bar magnet, but the penny does not move. then, she tries to pick up an iron nail using the bar magnet, and the nail lifts up toward the magnet. her teacher tells her that the magnet lifts the iron nail because it is a ferromagnetic material. which of the following best describes a ferromagnetic material?

a material made of non-metals that produce magnetic fields

a material that easily conducts electricity

a material with naturally strong magnetic properties

a material that produces its own magnetic field

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.