Answer : The given equation are not balanced equation.
Explanation :
Balanced chemical equation : It is defined as the number of atoms of individual elements present on the reactant side must be equal to the number of atoms of individual elements present on the product side.
The given chemical reaction is,
This chemical reaction is an unbalanced reaction because in this reaction, the number of atoms of oxygen are not balanced and the molecule 
are missing on the product side.
So, in order to balanced the chemical reaction, the molecule are added on the product side.
Thus, the balanced chemical reaction will be,
Vitamin B9 is also called folic acid when talking about the synthetic form used as a supplement, and folates when referring to the kind that is naturally present in food.
Answer :true
Regardless of how many protons this element has, it has 2 valence (outer) electrons. On the current periodic table, this element would go into the second group. If you want a more specific answer, try alkaline earth metals, or Group 2A.
I believe the answer is B. The definition of frequency of a wave talks about the number of times a wave occurs within that second.
D. 750 pretty sure it’s the answer
