Which four island nations make up the greater antilles.

The diagram below shows an ornithiscian dinosaur, an ancient bird called archaeopteryx, and the modern day bird. based on the diagram, which of these statements is most likely correct? (2 points) modern day birds have evolved from dinosaurs. archaeopteryx has evolved from modern day birds. ornithiscian dinosaurs had evolved from modern day birds. ornithiscian dinosaurs had evolved from the archaeopteryx.

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.

Plzz on what physical process is responsible for the creation of volcanoes, earthquakes and ocean trenches at the plate margins?