Research has concluded that the "key ingredient" to the creation of new continental crust is the freezing of subducting oceanic crust located in a subduction zone the melting of converging oceanic crust located in a subduction zone the melting of subducting oceanic crust located in a subduction zone the freezing of converging oceanic crust located in a subduction zone

People keep spending additional units of a particular resource on a want until their marginal benefit is  decreasing withgreater thanless thannot affected by  their marginal cost.

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.

Which of the following is true of judaism? a-judaism is the predominant religion of eastern europe b-judaism is the root religion of both christianity and islam c-judaism emerged from christian tradition d-judaism originated in europe