SAS

What is a key trade-off in agriculture's evolution?

The trade-off between food production and environmental deterioration.

What important process provides nitrogen from the air to feed the world?

The Haber-Bosch process.

What percentage of U.S. water consumption is used for growing crops?

More than 75%.

How do obesity and food insecurity relate to each other?

Obesity can co-exist with food insecurity.

What are main staple crops worldwide?

Wheat, maize, and rice.

What major factor decreases the efficiency of beef production?

It takes as much as 35 Calories of fossil fuel to produce 1 Calorie of protein from beef.

What impact does California's agriculture have on food production?

California plays a preeminent role in U.S. and world agriculture.

What environmental issue is agriculture a major contributor to?

Agriculture contributes 9% to greenhouse gas emissions in the U.S.

What is one way to curb land degradation in farming?

Conservation tillage practices.

What is a common foodborne illness caused by bacteria?

Salmonella.

What is the recommended way to prevent foodborne illnesses?

Handwashing and proper food handling techniques.

What principle underlies trade economics in agriculture?

The Ricardian principle of comparative advantage.

How do the Dietary Guidelines for Americans help with nutrition?

They guide dietary programs and policies published by the USDA and HHS.

What are essential micronutrients required in the diet?

Vitamins and minerals.

What effects do antibiotics have on livestock?

They increase weight gain, raising concerns about antibiotic resistance.

What is one environmental challenge faced by agriculture today?

Fertilizer runoff that creates dead zones.

What impact does increasing agricultural mechanization have on labor?

Reduces the need for labor in agriculture.