Studies showed that sediments found in an area of earth's surface were composed of different materials than the bedrock below. which statement best explains the study's findings? a. wind carried the sediments from a different location. b. the bedrock broke down into smaller rock particles. c. rock particles clumped together to form an aggregate. d. species in the area changed the sediments over time.

Which sentence best explains how steam power changed agriculture in england between 1810 and 1850? a. farmers started using steam-powered machines to spray chemical fertilizers and pesticides. b. livestock farmers began using steam-powered machines to milk cattle and shear sheep. c. steam-powered railways transport and sell agricultural produce far from where it was grown. d. steamships to transport large numbers of people from the united states to english farms.