c. 1. how can you tell where limestone crops out at earth's surface in this orthoimage area? check all that apply. a. the areas underlain by limestone have a mottled appearance with lots of small circular depressions, like the dimples on the surface of a golf ball. b. the areas underlain by limestone generally are of low elevation and the hills lack steep slopes because the bedrock is weakened or dissolved by chemical weathering. c. there are sinkholes, small lakes, solution valleys, and disappearing streams on the portions of the map where limestone bedrock occurs at/near the surface. d. trees do not grow on limestone. e. roads are situated exclusively on the limestone bedrock.