How does the sahara desert act like a barrier

What can you guys tell me aboutyellow journalism and the u.s. involvement in the spanish-american war.

[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

People make choices about how to use resources.