Acup of hot water cannot melt a large block of ice. however, the same block melts when dropped into a lake. this is because
a) the lake is at a lower temperature than the cup of hot water.
b) the lake is at a higher temperature than the cup of hot water.
c) the lake contains less mass and heat than the cup of hot water.
d) the lake contains more mass and more heat than the cup of hot water.

What is the most useful equation for electric power?

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

When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?