The economies of ghana, sierra, leone, the ivory coast, and other nations depend largely on the export of a. petroleum products b. uranium c. cash crops d. gold

[ou.01]which of these is the most likely use of an electromagnetic wave which has wavelength shorter than microwaves but longer than visible light? o heat food safely o neat food safely o take images of bones and teeth o transmit radio and cellular phone signals o take images of bones and teeth o transmit radio and cellular phone signals o detect the location of objects which emit heat

The states that the process that have been occurring today have been occurring since earth formed. what is it?

Can you think of any problems that could come from using only 15 years of data to predict trends for the next 100 years? explain your answer. how could you prevent some of these problems?