Question 19 (3 points) In this country you can find the finest blue sapphires in the entire world,

Laos
Cambodia
O Sri Lanka
Nepal

(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

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

Largest layer of atmosphere international space station orbits ultraviolet radiation causes ionization the phrases describe what layer of earth's atmosphere?