14. The diagram above shows how the ocean floor is spreading. The new ocean floor made of molten rock is being formed at a mid-ocean ridge.

What percent change represent a percent increase

The point where two air masses meet is called a

Reading graphs: unemployment us unemployment rate (1961-2011) identify the trends in the graph and then use the drop- down menu to complete each statement from 1961 to 1965 unemployment was in the mid-2000s through 2011. unemployment was percentage unemployed 1961 1971 1981 1991 2001 2011 year