The alternating current is able to convert voltage levels with a single component (a transformer), which is why the alternating current was chosen as the primary means to transmit electricity over long distances.
Fermentation if oxygen is not present
Scholarly. Scholarly peer review (also known as refereeing) is the process of subjecting an author's scholarly work, research, or ideas to the scrutiny of others who are experts in the same field, before a paper describing this work is published in a journal, conference proceedings or as a book.