True or False: Magnetism is a force that can't be seen; however, the effects of magnetism can be made visible.

Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

Which strategy is an example of how companies may upgrade themselves to meet changing customer preferences? a.doing door-to-door sellingb.using billboards to advertise the productsc. making online shopping services availabled.giving discounts on products

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes