Other contributors have said "What are the kinds of resources under economics?" is the same question as "What are three types of resources in economics?" If you believe that these are not asking the same thing and should be answered differently, click here
Nobody Knows because Obamas reatarted. Nah ur whoever said obama is retarded is retarted themselves so shut up you racist little losers. get on my nerves u must be stupid and ugly . HAHAHAHAHA you...