What is si system?why time is called scalar quantity

The system of unit recommended by the international convention of scientists held in France is called SI system

scalar quantities are defined to be ones which have magnitude only and no direction, where "direction" in this context means a direction in three dimensional space and time also doesn't have direction

hi my dude or dudette

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