Samuel Okeke

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OXYGEN (O2) PROPERTIES AND USES

June 25, 2020

About School Portal NG

School Portal NG (schoolportalng.com) is Africa’s leading and one of the world’s fastest-growing e-learning websites. School Portal NG is a free e-learning portal, specially designed to serve as an alternative means to the regular brick-and-mortar style of education for the less-privileged children or children born to low-income earners, adults who otherwise cannot afford to finance their way through school, etc. as well as provide support to school children who need educational resources for further reading/learning.

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OXYGEN (O2) PROPERTIES AND USES

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