The answer would be D. hormones, because that is the only thing not studied during cognitive psychology, which is the study of your brain and how it perceives things, how good your memory is, and how your language is
All of the following are studied in cognitive psychology except :
D. Hormones
Explanation:
Cognitive psychology studies information processing, and includes a variety of thinking processes for example perception, attention, memory, knowledge representation, language, reasoning, and judgement. Hormone is a biological concept, it doesn't involve the study of internal mental processes. Although Hormones also affect cognitive processes, this psychological effects are studied in other field of the science.
If all frogs were to die off, a valuable food source will go missing in the food chain of many animals around the world after that the number of animals that eat the frogs will die off, then the animals that eat them will go hungry, and their populations will be devastated as well.