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But for some reason , when I hit the Model Vertical Profile Button , the associated pop up menu appears but the fdfs listed under scalar and vector are fuzzed out . Symptoms first appear as patches on the leaves that start out yellow , then become tan or brown with white or gray downy fuzz underneath . Oddly enough , the resolved fuzz around high-redshift QSOs recently reported by Lehnert et al ( 1992 ApJ 393 , 68 ) does n't strengthen this argument - the ( 1 + z ) 4 dimming in surface brightness makes normal galaxies unobservable at large redshifts , so these must be something that is peculiar by any standard . His vision fuzzed and swam , and his shirt was dotted with sweat under the arms and along his back . The stout , young twigs and leaves are coated at first with a thick , light-colored fuzz , which soon becomes darker and drops away entirely .