He is aware of that fire place side desires gasoline and oxygen. Brian realizes that he desires to blow at the fire.
What do you mean by oxygen?
Oxygen is the chemical detail with the symbol O and atomic number 8. It is a member of the chalcogen group the periodic table, a highly reactive nonmetal, and an oxidizing agent that with no trouble forms oxides with maximum factors in addition to with other compounds. Oxygen is Earth's maximum ample detail, and after hydrogen and helium, it's far the third-maximum ample detail with inside the universe. At trendy temperature and pressure, atoms of the detail bind to shape dioxygen, a drab and odorless diatomic fueloline with the formula O. Diatomic oxygen fueloline presently constitutes 20.95% of the Earth's atmosphere, aleven though this has modified considerably over lengthy intervals of time. Oxygen makes up nearly 1/2 of of the Earth's crust within side the shape of oxides.
Many principal lessons of natural molecules in residing organisms comprise oxygen atoms, such as proteins, nucleic acids, carbohydrates, and fats, as do the principal constituent inorganic compounds of animal shells, teeth, and bone.
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Explanation: Archimedes is especially important for his discovery of the relation between the surface and volume of a sphere and its circumscribing cylinder. He is known for his formulation of a hydrostatic principle (known as Archimedes' principle) and a device for raising water, still used, known as the Archimedes screw.
Based on this document, two changes in the Americas that resulted from interactions with the <span>Spanish were that trade routes increased and that security became an issues. </span>
