When light passes from glass n=1.55 to water n=1.33 it ? a) continues in a straight line without bending
b) bends toward the normal to the boundary
c) bends away from the normal to the boundary
d) travels in a curved path after it crossed the boundary

Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length (in m) of a column of water 1.45 km high for a temperature increase of 1.12°c. assume the column is not free to expand sideways. as a model of the ocean, that is a reasonable approximation, as only parts of the ocean very close to