Which of the following illustrates what happens when demand triggers competition? Product pricing is too high or low.

Consumers buy the cheaper brand.

Prices fluctuate up and down.

More variety brings competitive pricing.

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.