Based on the chemical structure of cyanide, identify one type of biological macromolecule that could serve as a chemical precursor for the production of cyanide in a plant.

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

it's unlikely a majority of a large population would agree on issues

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b is the best answer for this question.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.