Two oxygen atoms in a oxygen molecule share two electrons. Oxygen atoms only have 6 valence electrons. They want 8 electrons so they need to steal two or share two.
Answer:
D has to be based on facts so d would be the answer and idea that can only be proven true those are facts not hypothesis or guesses
Explanation:
based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not "guesses" but reliable accounts of the real world."
DNA and rna are both nucleus acids