The united states is one of the few countries in the world which has not yet adopted the metric system for general use. true or false

 think its true hope this helps

This is correct. Most countries use the Metric or Decimal system, however, the United States uses the US standard system. Hope it helps!

Seems cool i guess ttyl

The internal energy of the system we can term it as total potential energy and kinetic energy. energy flows out of the surrounding from the system then we can say that the internal energy of the final state is lower than its initials. the sign of  δesystem is negative.δesystem = efinal - einitial=-ve  efinal  ∠einitial.