(a) Describe the process of slashand-burn agriculture.

(b) What might be some dangers of the extensive use of slash-and-burn agriculture?

The largest source of anthropogenic greenhouse gases in the United States is ________, followed by ________.

A. electricity generation; agriculture

B. agriculture; transportation

C. electricity generation; industry

D. agriculture; electricity generation

E. electricity generation; transportation

Why do you think market-oriented agriculture is more productive than subsistence agriculture?

Write an essay identifying the factors affecting the location of subsistence agriculture and commercial agriculture in East Africa.

Agriculture, oil. A country's economy is based on two sectors, agriculture, and oil. Production of a dollar's worth of agriculture requires an input of $\$ 0.40$ from agriculture and $\$ 0.35$ from oil. Production of a dollar's worth of oil requires an input of $\$ 0.20$ from agriculture and $\$ 0.05$ from oil. Find the output from each sector that is needed to satisfy a final demand of $\$ 40$ million for agriculture and $\$ 250$ million for oil.

Evaluating

Write a myth that reflects the changes that the development of agriculture brought to the earliest Americans.

Consider:

• Iife before the development of agriculture

• life after the development of agriculture

Why is agriculture in grasslands more productive than agriculture in rainforests?

What is the key concept for this section? What three systems supply most of the world's food? Define irrigation. Define and distinguish among industrialized agriculture (high-input agriculture), plantation agriculture, traditional subsistence agriculture, and traditional intensive agriculture. Define polyculture and summarize its benefits. Define organic agriculture and compare its main components with those of conventional industrialized agriculture. What is a green revolution? Summarize the story of industrialized food production in the United States.

What are three differences between industrialized agriculture and subsistence agriculture?

Distinguish between organic agriculture and sustainable agriculture.

Explain how agriculture in the South was different from agriculture in the Northeast.

Write a one-page essay to explain this statement:'Early historical and geographical events in Central Asia are clearly evident in the region today, though events in recent history have given rise to perils to the human and physical geography, perils that would not have been foreseen during the early history of the region."

How does agriculture in Pakistan compare with that in Bangladesh?Which country relies more heavily on agriculture?

(a) Why did agriculture fail to develop in Zambia? (b) Why did agriculture develop successfully in Zimbabwe?