Can scientists make plasma in a lab yes or no

The five tribe’s economy shifted in many ways, which of the following changes is not an example of how they assimilated? a. many tribes began to herd animals and build plantations. b. tribes began to use bartering to trade with others. c. at stores and trading posts, tribes used us currency to trade. d. women began to focus on weaving and spinning to make cloth.

The 15th amendment to the u.s. constitution, ratified in 1870, deals with what issue? a. prohibition of alcohol b. voting c. declaring war d. free speech

Plz quickly ! which of the following elements is not typical of an advanced society. a. cities b. science c. industries d. a nomadic lifestyle