2) ventilation of pollutants from the los angeles basin is suppressed by persistent temperature inversions. a consulting firm proposes to fix this problem by installing large burners throughout the basin to heat the air and break the inversion. a) explain theoretically how this would work (briefly).

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.