When air pressure decreases, the mercury in a barometer
goes down
goes up
stays the same

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons

Unlike other andean nations, chile has a relatively small population of mestizos people of european descent indians people of asian descent

Which australian state leads the nation in the production of dairy products? a. western australia b. northern territory c. queensland d. victoria