Human geography or anthropogeography is the branch of geography that deals with humans and their communities, cultures, economies, and interactions with the environment by studying their relations with and across locations.[1] It analyzes patterns of human social interaction, their interactions with the environment, and their spatial interdependencies by application of qualitative and quantitative research methods.
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1/3 chance. You have 15 marbles 5 which are black. That makes it 5/15 which reduced would be 1/3
Definitely cell phone reception! However books could be argued for since they also are a good more than a necessity. However the last 2 i believe would be classified more as necessities than goods.
~Hope this helps!~