Which statements are true?
1hurricanes can be caused by physical processes in the hydrosphere.
2most of the earth's freshwater can be found in the air and streams.
3most plants and animals need freshwater to survive.
4ocean currents move warm water from the equator toward the poles.
5the water cycle is powered by the sun.

(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

Write a short paragraph of about 150-300 words. explain how the physical environment can limit human activities.

Which of the following is not a place where hydrogen can be found on earth? a. natural gas well b. atmosphere c. water d. mine