Hydrogen Oxygen Nitrogen Helium Which element is rarer to find on Earth? Copper Chlorine Titanium Iron True or False: Silicon is the second most abundant element on Earth. True False What is the MOST abundant element on planet Earth?
13 QsHydrogen Copper Nitrogen Iron What is the surface of the Sun called? Core Photosphere Solar Corona Prominence What is the name of the process the sun 'uses' to create energy? A fusion reaction is the process whereby two light nuclei join to form a heavier nucleus.
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