Two True/False (T/F) statements are in bold font. Select T or F in the same order as the statements. (1) A plastic rod (not a conductor) may have a net charge of 5.5e. (2) A solid conducting sphere has a net charge of 3C. All charges remain at rest. The electric field at a point midway between surface and center must be zero.

How will the system respond to a temperature increase?

Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels.the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause,directly and indirectly, for such a rise in sea level is