“A food chain or food web shows the flow of energy and matter though an ecosystem. Which organisms use the sun’s energy and make it available to other organisms?

The plant is the organism that uses the sun’s energy and make it available to other organisms

The correct answer for this question is that a statement that can be proven by observation or measurement is known as a fact. The other possible answers here simply refer to idea that different individuals can place value on, but that are not necessarily known to be true.