If you eat food containing 1800 Calories per day, according to an advertisement you will lose weight. A handbook says that a person uses 20,000 kJ per day, given normal waking and sleeping activities. Will the person lose weight if he or she eats food as suggested by the advertisement?

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.