Which best describes why subsistence farming was forced to evolve in the late 20th century? Increasingly extreme weather disrupted production.
O Output per person failed to increase.
Yields were unable to meet demand.
O Leaving land fallow disrupted production.
O Growing and urbanizing populations needed to be fed.

hunsgi that's the correct answer

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on

the government paid religious orders to provide basic education to native american children on reservations. in the late 19th and early 20th centuries, the bureau of indian affairs (bia) founded additional boarding schools based on the assimilation model of the off-reservation carlisle indian industrial school.

the roman empire began to fall