Why did scientists think the world was experiencing global cooling between the 1940’s and 1970’s. a. pollution was blocking sunlight. b. pollution was trapping heat in the atmosphere. c. winters were the longest and coldest since the last ice age. d. biodiversity was declining.

How did industrialization change life in the united states?

If you lived in greece in about 300b.c. you had a good chance of witnessing which of the following? select all that apply

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.