Help me out please. Im taking a quiz and im stumped

What is the dew point?
A. The density at which a gas evaporates
B. The temp at which a gas deposits
C. The temp at which a gas condenses
D. The time of day when gas condenses

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

Plants can have a positive and negative effect on the rate of weathering

Hurricanes a. usually form over land b. usually intensify over land c. gain strength from ocean heat d. usually form over the poles