earth if metals are not discovered
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Iron an essential ingredient in Hemoglobin. While animal life can exist with a similar other oxygen-carrying compound, that one uses copper, another metal. Even plants would have a hard time, since chlorophyll requires Magnesium to function.
Gravity would be much lower, since much of Earth's mass is in the iron-based core. That suggests a thinner atmosphere. Also of importance resulting from the lack of an iron core is a weaker magnetosphere, and much higher cosmic radiation levels.
Gravity would be much lower, since much of Earth's mass is in the iron-based core. That suggests a thinner atmosphere. Also of importance resulting from the lack of an iron core is a weaker magnetosphere, and much higher cosmic radiation levels.
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Independence Day is one of the most important days in the year for our country. ... United, the people of the country struggled to free itself from British rule for many years. We officially became independent on 15 August, 1947. To commemorate this historic event, we celebrate our independence on 15th August every year.
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