Which of the following come from the Earth’s rock resources? *
1 point
A.Copper
B. Oxygen
C. Nitrogen
D. Iron
Share
Which of the following come from the Earth’s rock resources? *
1 point
A.Copper
B. Oxygen
C. Nitrogen
D. Iron
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Some rocks contain molecules that could have formed only in the presence of oxygen. ... When they look at the oldest rocks on earth, they find no trace of oxygen in the atmosphere. Instead, their research indicates that earth's primordial air was made up mostly of carbon dioxide, methane and Nitrogen