Which answer choice shows the correct capitalization for the proper noun in the following sentence? although the sahara desert is generally flat, the snow-capped mount tahat rises above the swirling sands of the desert. a)although the sahara desert is generally flat, the snow-capped mount tahat rises above the swirling sands of the desert. b)although the sahara desert is generally flat, the snow-capped mount tahat rises above the swirling sands of the desert. c)although the sahara desert is generally flat, the snow-capped mount tahat rises above the swirling sands of the desert. d)although the sahara desert is generally flat, the snow-capped mount tahat rises above the swirling sands of the desert.