-What does wire means?

-What (I) means? And what is his unit.
-What (E) means? And what is his unit.
-What (R) means? And what is his unit.

-How many renewable energy sources are there? List them.

-How many non-renewable energy sources are there?

-Where does solar energy comes from?
-Where does aeolian energy comes from?
-Where does geothermal energy comes from?
-Where does biomass energy comes from?
-Where does hydropower energy comes from?
-Where does nuclear energy comes from?

Which effects the electricity makes we can see?

Name the atoms parts