according to the geologic map of california, which of the following locations has the oldest rocks and/or sediments?
location a

location b

location c

location d

The african continent is home of the worlds largest desert and longest river . t or f

What is an example of a line segment

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.