I need to evaluate issues surrounding the exploitation of the arctic, please help m

How do the various countries in east asia meet their power needs? give specific examples

Which statement best explains the difference between weather and climate

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.