Which sedimentary rock has the coarsest grain? shale flint limestone sandstone

What are the three goals of integrated pest management (ipm)? what are the three goals of integrated pest management (ipm)? a) to reduce the use of insecticides, increase consumer costs, and conserve water b) to reduce the use of insecticides, increase farmer costs, and conserve water c) to reduce the use of artificial pesticides, reduce costs, and control pests d) to reduce the use of artificial pesticides, reduce costs, and increase salinization