One of the major objections to Wegener's theory, from a famous Stanford geologist, Bailey Willis, was that the continents .

When we organize patterns in order to perceive an entire stimulus rather than just its parts, we are using

The physical processes that create most of earth's physical features, including mountains, are known as

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.