Weekly review #1

The pressure at the interface between Earth’s outer core and inner core is inferred to be

• 0.2 million atmosphere

• 1.5 million atmospheres

• 3.1 million atmospheres

• 3.6 million atmospheres

Which type of tectonic plate boundary is found between the South American Plate and the Scotia Plate?

• transform

• convergent

• divergent

• complex or uncertain

The epicenter of an earthquake was located 1800 kilometers from a seismic recording station. If the S-wave arrived at the seismic station at 10:06:40 a.m., at what time did the P-wave arrive at the same seismic station?

• 10:03:00 a.m.

• 10:03:40 a.m.

• 10:09:40 a.m.

• 10:10:20 a.m.

A strong earthquake that occurs on the ocean floor could result in the formation of

• a tsunami

• a delta

• an El Niño event

• an ocean current

Which two locations have the greatest stream velocities?

• A and B

• B and C

• C and D

• D and A

Which rock is composed of a mineral that can be used for the production of cement?

• basalt

• limestone

• rock salt

• rock gypsum

Which agent of erosion most likely moves sediments in a sand dune?

• wind

• glaciers

• wave action

• running water

Which climate conditions most likely produce a landscape with rounded hills, large river valleys with many tributaries, and tropical vegetation?

• cool and arid

• cool and humid

• warm and arid

• warm and humid

Which particles will be transported by a stream moving at a velocity of 5 cm/s?

• pebbles, sand, silt, and clay, only

• sand, silt, and clay, only

• silt and clay, only

• clay, only

Which rock layer shows the greatest resistance to weathering and erosion?

• A

• B

• C

• D