50 pts ! describe two different ways modify the environment include why they modify the environment and the negative impact of the modification nafta has been hugely debated by many people. identify 3 pros and 3 cons to this trilateral trade agreement. explain the push and pull factors that cause people to migrate from place to place. be sure to include reasons for migration in history ad well factors for modern migration.

What is the difference between external & internal migration

Which of the following statements best characterizes changes to agriculture in the united states since 1900? a. increased mechanization has reduced the need for labor.b. increased mechanization has increased the need for water, thereby increasing the need for labor.increased mechanization has increased the use of land, thereby increasing the need for labor.d. increased mechanization has increased food production, thereby increasing the need for labor. select the best answer from the choices provided.

According to a recent survey, the local government wants to classify people according to their income earning capacity. they want to do so in order to provide special facilities for the poor. who among the four individuals will be classified as poor? a. joseph earns $2.25 per day b. maria earns $1.50 per day c. rosita earns $2.00 per day d. tim earns $ 1.00 per day