Front

What macronutrient makes up most of the diet for people in developing countries who depend on a single plant crop?

Back

Carbohydrates

Front

Which statement is false about staple crops?

Back

At least one of the staple crops is an animal product.

Front

What was the problem with the theory 'Rain Follows the Plow'?

Back

The usually high precipitation during this period of early farming and settling was a coincidence.

Front

What type of pesticides do most farms today use to control biological pests?

Back

Synthetic pesticides.

Front

What is a major environmental issue with synthetic pesticides?

Back

They bioaccumulate in the environment.

Front

What was the purpose of the Great Plains Shelterbelt?

Back

To act as a windbreak and reduce soil erosion.

Front

Define 'staple crop'.

Back

A staple crop is a crop that is grown and consumed in large quantities, providing a major source of calories for a population.

Front

What is the significance of corn (maize) in agriculture?

Back

Corn is a staple crop that makes up a significant portion of human consumption.

Front

Explain the concept of 'bioaccumulation'.

Back

Bioaccumulation refers to the accumulation of substances, such as pesticides, in an organism.

Front

What is 'contour plowing'?

Back

Contour plowing is a farming practice that involves plowing across the slope of the land to reduce soil erosion.