Search results

Astronomy and chemistry 1)Stars are made up of mostly hydrogen and oxygen 2)Uranus is mostly made up of frozen methane 3) The sun is made of hydrogen (74%) and helium (about 24%) 4)The ''BigBang" created every element on Earth Chemistry and ecology 1)The fertilizer DDT is an organic compound...

Astronomy and chemistry 1)Stars are made up of mostly hydrogen and oxygen 2)Uranus is mostly made up of frozen methane 3) The sun is made of hydrogen (74%) and helium (about 24%) 4) Chemistry and ecology 1)The fertilizer ddt is an organic compound, with chemical formula C14H9C15 2)sulfur...