Select the most appropriate one-word substitution for the given group of words.
The therapeutic use of sunlight for curing certain disease.
Answer & explanation
Correct answer: option 3
The correct option is 3. Heliotherapy.
- Genealogy is the study of family trees and ancestry.
- Paleontology is the study of fossils and extinct lifeforms.
- Chronobiology is the study of biological rhythms and their relationship to time.
- Heliotherapy is the therapeutic use of sunlight for curing certain diseases.