The three questions of economics best in making decisions about

production

consumption

usage

expenditures

production

Explanation:

The three questions  of economics are:

Economics helps to make rational decisions in putting production tools into the best optimum use in order to satisfy the insatiable wants. The problem of what to produce depends on what particular want a producer is interested in satisfying. The means and the tools falls in the aspect of how to produce. How to produce tackles the problem of effectively rationing the scarce resources. For whom to produce addresses the problem of the consumer and the targeted market.

tropical storm katrina, and it made landfall between miami and fort lauder-dale, florida, as a category 1 hurricane (a storm that, on the saffir-simpson scale, exhibits winds in the range of 74–95 miles per hour [119–154 km per hour]). sustained winds of 70 miles per hour (115 km per hour) lashed the florida peninsula, and rainfall totals of 5 inches (13 cm) were reported in some areas. the storm spent less than eight hours over land. it quickly intensified when it reached the warm waters of the gulf of mexico.

this should answer you're question

the precambrian aged rocks could be found in australia. australia is a region that has a lot of ancient civilization history from million years ago. in this region, there are a lot of recognizable fossils buried in its land which is considered a precambrian-aged rocks