1. a wooden dowel rod has a mass of 0.88 kg and a length of 1.2 m with an axis of rotation through the end.
2. a piece of cardboard has a length of 32 cm, a width of 22 cm and a mass of 92 g with an axis of rotation through the center.
3. a wooden hoop has a mass of 2.5 kg and a radius of 15 cm with an axis of rotation through the center.

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