Answer:
Reactants= Products
Explanation:
Reactants are what are required to start the reaction. Products are the ending result.
Yes the first one is very correct they deserve the brainliest answer
Answer:
Oxygen (O) , Carbon (C) , Hydrogen (H) , Calcium (Ca) , Iron (Fe) , Sodium (Na) , Iodine (I) , Magnesium (Mg) , Selenium (Se)
I think the answer is scientific research sorry if I’m wrong
