What was the primary purpose of the first earth day celebration

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.

What are three supporting points as to why opium was wrong in the chinese trade? why should it have stopped? (opium wars)

How did moses contribute to judaism ?