When elements and compounds that are dissolved in water leave a solution

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

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.

Democratic vs democratic whats the difference? ?