Question

chemical reactions
reactants vs products

eactants yield products\ is a great way to remember the correct way to set up a chemical equation.
in a chemical equation, reactants are always on the left side of the arrow while products are always on the right side of the arrow.
reactants yield products
6co₂ + 6h₂oxrightarrow{light}c₆h₁₂o₆ + 6o₂
photosynthesis needs energy input in order for the chemical reaction to occur. in this equation, which of these is the form of energy (not compounds or elements) used by the plant in order for photosynthesis to occur?
sound
heat
light

Explanation:

Step1: Recall photosynthesis concept

Photosynthesis uses light - energy.

Step2: Analyze given options

Sound and heat are not used in photosynthesis. Light is the energy source as shown in the equation with "Light" above the arrow.

Answer:

C. Light