1. Which of these can be used to observe the field of the magnet?
A. bits of paper
C. small pieces of cloth
B. iron fillings
D. saw dust
2
Irgeckich of thon
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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