Wave

P wave shadow zone

S wave shadow zone

Surface wave shadow zone

Convection currents

Because the medium changed from solid to liquid

Because P-waves cannot travel through liquids

The seismograph station cant read S waves

S waves move faster than a seismograph can detect

A

B

C

D

Seismogram B (top)

Seismogram C (bottom)

A

B

C

Station A

Station B

Station C

To greet someone

To express anger

To show indifference

To indicate confusion

As a symbol of peace

As a symbol of war

As a symbol of economic growth

As a symbol of cultural exchange

The Renaissance

The Industrial Revolution

The Digital Age

All of the above

A sudden increase in population

A large movement of people from one place to another

A decrease in birth rates

A change in government policy