What did buckminster fuller’s “knowledge doubling curve” theory reveal? a) human knowledge had tripled since the industrial revolution. b) human knowledge had doubled every century until the 1900s. c) in the future, human knowledge will double every 12 years. d) nanotechnology knowledge is doubling every 2 years.

B) Human knowledge had doubled every century until the 1900s.

“Knowledge Doubling Curve”, theory created by Buckminster Fuller and exposed in his book Critical Path (1982), held that until 1900 human knowledge had doubled approximately every century. And by the end of World War II, the frame time was reduced: knowledge started to double every 25 years. The pace of knowledge growth would continue increasing.

the answer is option a.

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.