What happens in a convection cell?

a. cold, dense material sinks while hot, less dense material rises.

b. cold, dense material moves horizontally, while hot, less dense material moves vertically.

c. hot, less dense material moves horizontally, while cold, dense material moves vertically.

d. hot, less dense material rises while cold, dense material sinks.

3. lithuania, latvia, and estonia all a.)signed a peace treaty with germany in 1996 b.)signed a pact with russia in 1996 c.)were admitted to the european union in 2004 d.)were damaged by the chernobyl explosion in 1986

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

Democratic vs democratic whats the difference? ?