For reactions involving oxygen, the gain of oxygen implies the oxidation of the atom or molecule to which the oxygen is added (and the oxygen is reduced). In organic compounds, such as butane or ethanol, the loss of hydrogen implies oxidation of the molecule from which it is lost (and the hydrogen is reduced).
In Ethiopian Orthodoxy, fasting (tsome) lasts for 55 continuous days before Easter (Fasika), although the fast is divided into three separate periods: Tsome Hirkal, eight days commemorating an early Christian figure; Tsome Arba, forty days of Lent; and Tsome Himamat, seven days commemorating Holy Week.
Catholics are asked to observe all days of fasting and abstience which is one of the precepts of the Church. Catholics 14 years of age or older are to abstain from meat on Ash Wednesday and all the Fridays of Lent. Catholics. between the ages of 14 and 59 are also to fast on Ash Wednesday and Good Friday. If oneâs work or health make it inadvisable to fast or abstain from meat, they are not obligated to do so.