How many seismograph stations are needed to locate the epicenter of an earthquake?

Residents of moldova are mainly a. russian b. ukrainian c. serbian d. romanian the answer is d. romanian

Look at the photo i can’t do geography

The diagram shows , , and . which statement can be proven true from the diagram? a. ∠dgb is supplementary to ∠ega. b. ∠dgb is supplementary to ∠cgb. c. ∠cgb is supplementary to ∠agd. d. ∠ega is supplementary to ∠egc. e. ∠egd is supplementary to ∠cgb.