Which statements about characteristics of the inca's civilization are true?
choose all answers that are correct.
a. emperors communicated using runners from the capital city of cuzco.
b. astronomers predicted eclipses and developed a 365-day calendar.
c. scribes painted books and kept records of taxes and territories conquered.
d. the city of machu picchu was probably a retreat for nobility.

Which one of the following statements best characterizes change to agriculture in the united states since 1900

Is the weather changing? consider the data of severe weather that includes tornadoes occurring throughout the u. s. over the last four years. compare the severe weather for the last three years. then compare the first three months of 2017 with that data. based on previous years, what might the prediction be for weather during 2017?

Write about 50 words explaining whether or not this passage supports that explanation.in the introduction, you heard genghis khan’s explanation of why the mongols were successful conquerors in his time. the mongols were illiterate . . and perhaps no more than 700,000 in number. . they were herdsmen on the grassy plains north of the gobi desert, south of siberia’s forests. before the year 1200, the mongols were fragmented, moving about in small bands headed by a chief, or khan, and living in portable felt dwellings. the mongols endured frequent deprivations [hardships] and sparse areas for grazing their animals. they frequently fought over turf, and during hard times, they occasionally raided, interested in goods rather than bloodshed.