Upper portions of the grand canyon show undisturbed horizontal layers of sedimentary rock. which of steno's principles explain this? a. principle of original verticality b. principle of original horizontality c. principle of superposition d. principle of lateral continuity

In a 2010 article “fact check: eastern u.s. earthquake risk” by chris mould, the author provides as evidence the following statement by the united states geological survey: “although earthquakes may be less frequent in the eastern u.s., … urban areas in the east could face bigger losses because the shaking would affect much larger areas than similar quakes in the west. in addition, most homes and buildings in the east are not designed to withstand earthquakes.”this statement directly relates to which of the following concepts? a. vulnerabilityb. hazardc. riskd. severity

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!

Is a state government creates a new tax to fund schools a example of checks and balances