Ineed these answers 100% correct, so only answer the ones you're 100% positive on!
42. what is the most important way technological innovations changed agriculture during the second half of the nineteenth century?
a. farmers were able to stop using fertilizers on their fields.
b. new equipment allowed different crops to be grown for the first time.
c. more efficient farms were able to produce more crops with fewer workers.
d. new equipment meant that natural events like droughts were not a concern.

43. labor reforms in henry ford's factories

1914 - qualified workers were paid $5.00 per day.
1926 - workers were paid for six days after working only five days.

what was one effect of henry ford's labor reforms?

a. americans had more leisure time and more money, which led to a rise in consumerism.
b. many workers in heavy industries were dissatisfied, so they returned to agricultural jobs.
c. there was a surge in union membership because of the increased benefits for workers.
d. there was a greater turnover in industry jobs because of increased worker empowerment.

44. for centuries in england, portions of farmers' fields were periodically left unplanted to allow the soil to recover. which improvement during the british agricultural revolution ended this practice and greatly increased the productivity of the land?
a. selective breeding
b. automatic planting
c. seed cultivation
d. crop rotation

45.
louis pasteur is credited with saving countless lives through his scientific research. what were two of his major accomplishments?
a. discovering penicillin and publishing several books on the use of the drug
b. proving the germ theory of disease and developing several new vaccines
c. proving that disinfectants can reduce infections and creating new surgical techniques
d. detecting the microorganisms responsible for cholera and discovering a cure for the disease

47. how did the decline of the ottoman empire cause world war i?

a. the germans' refusal to ally themselves with the weakening ottoman empire upset the balance of power.
b. the weakening ottoman presence in iraq allowed foreign agents to start rebellions in the area.
c. the ottomans' increasing dependence on english military power led to international tensions.
d. the end of centralized ottoman control in the balkans led to growing instability in the region.