When the united states began to industrialize in the late 18th and early 19th
centuries, employers had little incentive to spend money on safety measures,
because it was easier to fire injured employees and hire new ones. when did
this trend start to change?
a. when employers realized how much time it took to train new
workers
b. with the passage of the occupational safety and health act of
1970
c. with the start of mechanization in the workplace in the 19th
century
d. when the government passed workers' compensation laws at the
beginning of the 20th century

In critical thinking, what is the one resource that the human desire never surpasses the available amount? a)drinkable water b) air c) money d) oil

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.

“[the city’s engineers excelled in areas] neglected by the greeks, such as the construction of roads and aqueducts, and of sewers that could wash the filth of the city into the tiber. they have built paved roads throughout the country, leveling ridges and filling up hollows, so as to make possible the movements of heavily loaded wagons. . and such is the quantity of water brought in by the aqueducts, that veritable rivers flow through the city and its sewers: almost every house has cisterns, waterpipes, and copious fountains.” —strabo, as quoted in empires ascendant: time frame 400 b.c.–a.d. 200 cisterns are tanks that hold water until it is needed; if a house has a cistern, it is likely to also have a. aqueducts. c. a swimming pool. b. a fish pond. d. sinks and faucets.