1.what are the properties of iron nails before exposure of oxygen

1. Iron, as well as iron alloys, rusts because of a chemical reaction known as oxidation. When iron is exposed to moisture or oxygen, oxidation occurs. During this chemical reaction, iron is converted into iron oxide. The iron oxide typically has a reddish, flaky appearance that becomes progressively worse over time.

1) Iron as well as iron allows , rusts , because if a chemical reaction known as oxidation. When Iron is exposed to moisture or oxygen , oxidation occurs . During this chemical reaction , iron is converted into iron Oxide . The iron oxide typically has a reddish , Flaky apperance that becomes progressively worse over time .

the exclusive possession or control of the supply or trade in a commodity or service.

the outcome of 1970 oil crisis in united states was that, they began to search ways on how to reduce oil.

in 1970 was a period when there were energy and oil crisis. those who were major centers for industrialization were forced to keep way from supplying of petroleum.

some of the result of this crisis was economic growth became stagnant because prices of oil surged.

due to the increased prices some countries like mexico and norway benefited.