What was the most significant aspect of henry ford's assembly line process? a it used less energy and created less pollution than other factory processesb it created labor unions to advocate for employers working in large factoriesc it reduced production costs, which allowed the products to be more affordabled. it made it possible to hire more employees, which restore the economy select the best answer from the choices provided.

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.

What can you learn about precipitation levels in south america from this map? brazil is experiencing a drought.it rains more in higher altitudes.peru received the highest level of rain.venezuela got less than 25 cm of rain. 

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic