Which three of the following have helped make America a leader in food production? ocean exploration farming methods improved food storage and preservation atomic energy chemicals that control insects

In 1990, the average income for an american worker was $1,518 per month. in 2000, the average income for an american worker was $2,632 per month. during this time period, a basket of necessities (food, housing, etc.) increased from $657 per month in 1990 to $1,402 per month in 2000. the real value of income ▼ increased decreased over that 10-year period.

The united states constitution gives the the power to regulate interstate commerce.

This is the largest and most populous country of the caribbean region. puerto rico dominican republic cuba haiti