Draw an illustration of the ocean basin and label mid-ocean ridges, abyssal plains, and trenches. Also define them in 1 or 2 sentences

(1) which phrase describes an important agricultural change that occurred during the mississippian period? (a) first cultivation of wild grains (b) expansion of marsh elder farming (c) spread of corn agriculture (d) gathering of nuts and berries (2) which group of native americans use northwestern arkansas as it’s traditional hunting grounds? (a) osage (b) quapaw (c) woodland (d) caddo

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called

Answer this asap. why did the americans go to china? a. trading b. exploration c. land d. live stock