Why would a 'gentrification' project tend to hurt existing less wealthy owners?

a. These projects drive up housing values and taxes to a point where many residents cannot afford to remain in the neighborhood.
b. These projects tend to bring in restaurants that existing residents do not like.
c. These projects tend to lower the value of property in the neighborhood.

[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