How does Michio Kaku establish the nineteenth and twentieth centuries as an “Age of Discovery” in “Choreographers of Matter, Life, and Intelligence”?
by describing the government support offered to scientists of the time
by offering quantitative proof of people’s improved health and lifespans
by highlighting the social and religious developments of the era
by listing the significant scientific developments of the era

- "a new era of american politics began with jackson's election in 1828, but it also completed a grand social experiment begun by the american revolution. nevertheless, jacksonian democracy represented a provocative blending of the best and worst qualities of american society."

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several states had passed similar laws, but they were limited to intrastate businesses. the sherman antitrust act was based on the constitutional power of congress to regulate interstate commerce.

you answered my friends question just to get the coins you didn't even give a valid response.

food chain i would say only because there is competition on getting food and survival

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.