The mountains on the western edge of south america are

How much of the united states’ electric generation comes from coal? a. about 25% b. about 50% c. about 75% d. about 90%

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

An earthquake’s epicenter can be determined from arrival time data recorded on a(