Meteorology is the study of Earth's atmosphere and its changing conditions. Under this study includes the different changing weather conditions, its temperature and moisture patterns. Typhoons, tornadoes, snow hail, etc are being studied here. Meteorology because more or less meteors and atmosphere patterns are quietly related.
I think its B but possibly C
Horticulture is the cultivation of plants with primitive tools. I can’t see the answer choices.. but I hope this helps :)