Social Studies, 28.06.2019 06:30 jaylennkatrina929
The inca had advanced knowledge of engineering. what did the inca build to keep their empire connected? a. a carriage pulled by horses b. a network of telegraph wires c. a collection of colorful pottery d. a system of roads and bridges
Answers: 1
Social Studies, 21.06.2019 22:00
24-karat gold is considered to be pure gold. 18-karat gold is considered to be about 75% gold. what is 18-karat gold considered a mixture rather than a pure substance? a) it has a variable composition of other elements and minerals. b) its color is different than pure gold. c) the gold atoms are not arranged in a repeating pattern. d) it can be melted and transformed into a different substance.
Answers: 2
Social Studies, 22.06.2019 10:30
According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups.b. a researcher conducts a linguistic study of comments posted on a local public blog.c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.
Answers: 3
Social Studies, 22.06.2019 14:00
Which of the following colonies would most likely have agreed with this stamens the king of england knows what is best for the colonies
Answers: 1
The inca had advanced knowledge of engineering. what did the inca build to keep their empire connect...
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