Question

biomanbio photosynthesis and respiration

1. where do reactants occur in chemical reaction equation.

before the one way arrow
after the one way arrow
on top of the arrow

Explanation:

In chemical reaction equations, reactants are the substances that undergo change. They are placed on the left side of the arrow (before the one-way arrow), while products are on the right (after the arrow). Catalysts or conditions are on top of the arrow.

Answer:

before the one way arrow