<span>Yelinda's failure to notice the salesman has changes is best explained by change blindness. Change blindness is the perceptual event that occurs when a change is visual stimulus happens and the person doesn't notice the change.</span>
It's A, the location was a compromise between North and South -- hence it's somehow mid position if we take only the original 13 colonies into consideration -- also Maryland and Virginia yielded some territory to build the capital so that it wouldn't be part of any existing state.
The geosphere is the Earth itself the rocks minerals, and landforms of the surfaces and interior.
Economic Depression if I’m not mistaken.