it forces electron to travel through the outer circuit
it permits the charges to stay balanced in two half-cells
it seperates the two half reactions
The Great Leap forward happened in China and
was a campaign by the Communist Party of China,
that resulted in around 20 millions deaths: the
correct answer is (4) increased famine in China
SAT tests are created to confuse you, but don't worry! Here's my answer: Identifying an alternate route before you need one. Every Uber or Taxi driver is forced to do so before taking a road. Hope this helps!