The chemical equation shown represents photosynthesis. What is the role of substance A in photosynthesis?

It traps light energy from the atmosphere.
It combines with water to form glucose.
It cools the atmosphere by changing into vapor.
It changes into hydrogen in the presence of light.

When creating a graph, the goes on the x axis and the goes on the y axis. a. dependent variable, independent variable b. experimental group, control group c. independent variable, dependent variable d. control group, experimental group

What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b.a light particle

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.