The chemical balance in your stomach must stay within acceptable levels. if it doesn’t, you could develop indigestion. what chemical makes the interaction between the molecules in your stomach occur so that you (hopefully) do not develop indigestion?

question 4 options:

zinc (an enzyme)

water

starch (a carbohydrate)

stomach acid

Gives full presentation to observe

The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.

They use the si unit, or metric system its all the same thing