2. An electrolytic cell is set up for the production of aluminum, which involves the reduction of Al3+ to AL The external source passes a current of 11.2 A through the cell with an emf of 6.0 V. How long does it
take for the cell to produce a pound (454 g) of aluminum metal?
(a) 220 h
(6) 40 lir
10) 121h
(d) 3.26 10 h

They carry out the exchange of gases as we breathe ( oxygen and carbon dioxide).

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

Nonmetal are moldable and easily shaped