Final answer:
The subject of this question is Social Studies, which encompasses the study of human society and social relationships, including topics such as economics, geography, history, and sociology.
Step-by-step explanation:
The subject of this question is Social Studies. Social Studies is the study of human society and social relationships, which includes topics such as economics, geography, history, and sociology. This question specifically relates to poverty, hunger, and malnutrition, which are important issues in the field of Social Studies.