B it could be D but you pick what you feel is right Good luck Luv!
Answer:
Every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. ... Use coefficients of products and reactants to balance the number of atoms of an element on both sides of a chemical equation.
Explanation:
Because they are in different galaxies. I hope this helps! :)
Biosphere 2 was a tremendous success, Many people don't realize that hundreds of papers were written about it.
