Ria visited her aunt's house and observed that all the tube lights and fans in her house were switched on without any need. She switched off all the lights and fans which were not in use but was scolded by her aunt for doing so. She then explained her aunt about the need to save electricity. Later, Ria's aunt promised her that she will now save electricity. Now, answer the following questions.
(i) Why did Ria insist on saving electricity?
(ii) State two ways by which electricity can be saved.
(iii) Which values of Ria are reflected in her actions?