Question

A great...... of teens like junk food​

Answer 1

несколько вариантов:

great majority — подавляющее большинство

great amount — огромное количество

Answer 2

A great number or percentage of teens like junk food. The exact proportion may vary depending on the region and individual preferences, but junk food often appeals to many teenagers due to its taste and convenience. However, it's important to promote healthy eating habits and educate teens about the potential health risks associated with excessive consumption of junk food.