Is the process in planetary formation when heavy materials sink toward the planet's center and
lighter materials accumulate near its surface.

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

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

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?