Chemistry, 29.03.2020 08:15 purplefish53
What is mostly commonly found element in the Earth's crust??
Answers: 2
(oxygen) and 
(ozone).The major compound of it exists in the form of silicate minerals where it combines with other minerals.It also exists i the compound as carbonates and phosphates. Oxygen with acetylene is used to cut and weld the metals.In the medical field,Oxygen is used to ease the respiratory disease and it is also used to manufacture the the explosives.Another question on Chemistry
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