What can be Used to heat homes in generate power plants but it can also contaminate groundwater during the Mining-process

What is one early technological advance that shaped culture? a the use of fire b the discovery of arable land c family units. d migration

Those who hope that land reform will end the problem of mass poverty and social inequality throughout middle and south america often cite as one of the causes of the problem. a. asian immigrants b. the indigenous population c. european systems of landholding d. the power of the roman catholic church

Dan is an automobile engineer. he works for a well-known automobile firm. he used cae software to authorize a design before committing to making a physical prototype. which prototyping method did he use?