Which kind of region is based on the kinds of work people do?

vegetation region

economic region

cultural region

climate region

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

Antoine manages a number of apartment buildings that use natural gas for heating, cooking, and laundry. the scatter plot shows the correlation between the outside air temperature and antoine's natural gas bill. which type of correlation does the plot illustrate?