is the mental and emotional processes and the physical activities of people who purchase and use goods and services to satisfy particular needs and wants.

CONSUMER BEHAVIOUR

Explanation:

Consumer behaviour is define as the way in which individuals or groups purchase goods and services to satisfy their needs and wants.

Consumer behaviour also study how consumers make decisions about what they need, want, and desire. Thereby influencing the purchasing behavior of the consumer.

Therefore Consumer behaviour study individuals or groups and all the pysical activities associated with the purchase, use and disposal of goods and services, including the consumer's emotional, mental and behavioural responses in other to satisfy their needs and wants.

answer; /// (nutrition) i believe is the correct answer;