Answer:
I think it just all exists at once, if it never is created or destroyed. It must have just appeared at the same time at some point. It doesn't exactly come from anywhere, but that's my opinion. There might be another scientific answer out there, but that's what i think. I hope this helps.
Explanation:
Answer:
DNA and sugar and phosphate
Answer: 2 covalent bonds
Explanation:
In H2O molecule, two water molecules are bonded by a Hydrogen bond but the bond between two H - O bonds within a water molecule are covalent. The dotted lines represent a hydrogen bond and the solid lines represent a covalent bond.
Animal bones contains minerals and so simmering them is generally believed to produce a broth that also contains minerals. Studies have demonstrated that calcium and magnesium levels in broth are generally related to cooking. but little is believed about the extraction of other elements, including toxic metals in broth.
