When was the Ethics Resource Center (ERC) established? In the 1970s In the 1980s In the 1990s In the 2000s help i need the answer asap1

For all machines-not just hammers- the user applies force force to the machine to the machine over a certain distance. a. input b. output c. duo d. none of the above

Which cultural aspect does this type of song best portray? a german polka dance

Which of the following factors would your hypothetical supervisor look at when deciding whether to test a biological material sample for dna? the amount of other evidence you have implicating a suspect in a crime the annual budget for the crime lab both of the above none of the above; you would almost always order a test