Which best describes the author's intent in this poem?

(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

Me plzzz what is the ratio of water than falls on land as compared to the amount that falls onto the oceans? what role do clouds play in regulating earth’s energy balance? me plzzz

In the diagram, δgef and δhef are congruent. what is the value of x?