One of the reasons you eat is to get calories for energy. Where do you think the energy in your favorite food comes from?

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

List the path of the respiratory system

Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.