Answer:
Explanation:
You can't exactly tell what's going on in the picture if there is no context at all.
Homologous structure are body parts that are similar to each other. They are almost the same, but not quite. That's how the meanings are similar.
The best answer would be C. Removing infectious agents and making white blood cells
1: Oxygen Production, plants release oxygen.
2: Forest prevent a water runoff during rain.
3: They help prevent soil erosion.
4: Forests are also used in making medicine.
