A scuba diver is submerged in a pool of liquid having an index of refraction n. He looks up at the sun and measures its angle theta 1 from the vertical. He then rises to the surface and again measures its angle. What value does he get for the following values: n Theta 1 1.75E 00 2.00E 01 Make sure to express your answer in scientific notation with 2 decimal points.

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