I NEED HELP ASAP PLZZZ What is a central idea in the article "Famine: Past, Present, and Future"?

A famine is declared when 30 percent of the population suffers from malnourishment.

The organization Action Against Hunger (AAH) provides aid to areas suffering from famine.

The failure of Ireland's potato crop in the 1840s created the Irish Potato Famine.

Food insecurity, which is a lack of dependable food sources, leads to famine.

s the environmental science is a broader field that incorporates many elements of earth and life sciences, whereas ecology is usually more focused on how organisms interact with each other and their surroundings, and often on a very specific population of living things. soo yea

explanation:

waves moving from a fast medium to a slow medium will experience a reflection as light travels more slowly than red light. total internal reflection occurs when the critical angle is.

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well clustered together.

points close on a scatter diagram