Question

question 1
the table shows the direction and function of substances in a chemical reaction that takes place in the chloroplasts of plant cells. the table is missing information at w, x, and y.
what is substance w?

substance	direction in the reaction (in or out)	function in the reaction
oxygen	out	is a product of the chemical reaction
w	in	provides the main energy source for the reaction
sugar molecules	x	y
water	in	splits and is used to provide oxygen and hydrogen atoms for the reaction

a starch
b methane
c sunlight
d minerals

Explanation:

Step1: Recall photosynthesis process

Photosynthesis in chloroplasts uses sunlight as energy.

Step2: Analyze table requirements

Substance W provides main energy and enters the reaction.

Answer:

C. sunlight