An igneous rock sample may be classified as intrusive because of its a) glassy texture. b) small crystals. c) large crystals. d) porous texture.

Brian has a medical condition called cone dystrophy, which is a disorder of the cone cells in the eye. what symptoms would you expect brian to have? a. inability to see in the dark b. difficulty determining colors c. difficulty determining shapes and outlines d. inability to see in all light conditions