Your mom keeps telling you that eating a healthy breakfast will help you do better in school. To see if she is right, you
eat a bowl of cereal with fruit and drink a glass of juice for
breakfast for one month. For the next month, you eat three
cookies and drink a can of soda. At the end of each month,
you record your grades in all your classes to see if she was
right.

In a copper wire, a temperature increase is the result of which of the following

The small bags of silica gel you often see in a new shoe box are placed there to control humidity. despite its name, silica gel is a solid. it is a chemically inert, highly porous, amorphous form of sio2. because water vapor readily adsorbs onto the surface of silica gel, it acts as a desiccant. despite not knowing mechanistic details of the adsorption of water onto silica gel, from the information provided you should be able to make an educated guess about the thermodynamic characteristics of the process. predict the signs for δg, δh, and δs for the adsorption of water.

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.