Perform the following mathematical operation, and
report the answer to the
appropriate number of
significant figures.
7.273 - 12.37 = [?]

This is a mixture that has the same composition throughout.

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.