Why do computer map makers digitize map data

Computer map makers digitize map data by "D. Comparing satellite images". Computer map makers uses computer data from satellite images and proper global positioning to create a perfect map that has the exact details of a specific place or the whole world.

Explanation:

the dependant variable is spilled water

the independent is the heat

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them