Question

1. what is the most common cause of food insecurity?

living in a rural location
climate change
financial hardship

Explanation:

Food insecurity is most commonly caused by financial hardship as limited financial resources restrict access to sufficient, nutritious food. Living in a rural location doesn't always lead to food insecurity (many rural areas have food production), and climate change is a factor but less common than financial issues for individual/household food insecurity.

Answer:

Financial hardship