Which of these tools can be used by archeologists to find fossils? (4 points)

a mathematical model of wind currents

a globe with latitude and longitude

a map showing political boundaries

an aerial photograph

which of the following describes a function of a satellite? (4 points)

scientists track weather

measures latitude and longitude

calculates the altitude of landforms

determines population in a city

which of these can vary in length of time? (4 points)

century

decade

millennium

era

use the map to answer the following question:

a map of early human migration is shown. a flattened globe shows six continents: north america, south america, europe, africa, asia, and australia. purple lines and arrows show from where people originated and in which directions they migrated, starting in 18,000 bce. the lines start in central africa and, from there, arrows point west toward northwestern africa, and east toward the middle east and asia. in the middle east, the line branches west into western europe and northeast into russia. the arrows also continue east into and throughout asia, including south into the southeast asian islands and australia. from north siberia, an arrow crosses into north america via the bering land bridge. from north america, the arrows move south into central and south america.

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based on this map, where are the newest human civilizations? (4 points)

africa and asia

europe and asia

africa and europe

north america and south america

the following examples are primary sources except (4 points)

a passage from the diary of one of the scientists who discovered lucy

an encyclopedia that provides factual details about the finding of lucy

a photograph of lucy that was taken on november 24, 1974, in ethiopia

an interview with a scientist who was present when lucy was found america and south america

a historian wonders why an ancient civilization disappeared. he suggests that a natural disaster might have destroyed it thousands of years ago. what step should the historian take next? (4 points)

ask a question

test the hypothesis

draw a conclusion

make an educated guess about what happened