Answer:
The correct answer is - b. Medicines.
Explanation:
Medicines are derived from the plants traditionally from a long time in human history. Such plants called medicinal plants. These plants produce several chemicals that help against several diseases and infections.
Ginkgo, thyme, turmeric, aloe and so many other plants are great examples of such plants that help in producing medicine.
Thus, the correct answer is option - b. Medicines.
