Developing countries hold over three-fourths of world's population. China and India support 23% and 17.6% of world population respectively. Many underdeveloped countries have small populations due to resource constraints
Brazil is fifth largest country with 208.8 million inhabitants (2018). Capital is Brasilia, located in Mato Grasso plateaus. Brazil spans 3,287,957 square miles across South America
Only 3% of Egypt's land is arable, with cultivated area of 7.2 million feddans. Nile River provides 70% of water supply, but Egypt is water-poor. 99.8% of cropland is irrigated, with two seasons of cultivation. Agriculture contributes 11% of GDP and 23% of jobs
Agriculture is a major industry, US is net food exporter. 2.04 million farms cover 900 million acres, average 441 acres per farm. Highly mechanized with one farmer per square kilometer. Central Valley and Great Plains are major agricultural regions
Farm is an agricultural land area primarily devoted to food production. Includes specialized units like dairy, poultry, and wind farms. Modern farms can be industrial operations like wind farms. About 570 million farms worldwide, mostly family-operated
Vegetables are edible plant parts consumed by humans and animals. Term first recorded in English in early 15th century from Old French. Originally meant all plants, now includes edible parts of plants