Answer: can u zoom in pls then i can maybe help..
Explanation:
In chemical reactions the substances present at the start of the reaction are reactant and the substances produced are called product
Did you mean limestone? if so, then yes. limestone is a sedimentary rock.
phosphate, a sugar called deoxyribose, and four nitrogenous bases—adenine, guanine, cytosine, and thymine.
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Summer<3
