MEA Final

Which of the following examples would be classified as a positive anthropogenic forcing?

• A decrease in the tilt of the planet

• 
  Increase in the size of glaciers

• Burning of fossil fuels

• Increase in cloud cover

At ocean hotspots, decompression melting of the mantle forms basaltic magmas.

• true

• false

Which numbered feature in this figure is the oldest?

• 2

• 1

• 4

• 3

If an intermediate rock is partially melted, the igneous rock which forms from the new melt will be ______ .

• felsic

• intermediate

• mafic

Volcanoes that form along subduction zones tend to have higher viscocity magmas and are more likely to erupt explosively.

• true

• false

The intensity of an earthquake refers to the ______ .

Question 9Select one:

• amount of damage the earthquake caused

• 
  the amount of energy released from the earthquake

• the peak amplitude of the seismic waves from an earthquake

• the amount of movement of the ground during the earthquake

New igneous rocks are formed by ______________ .

Question 10Select one:

• 
  melting and cooling a rock

• 
  weathering of a rock

• increasing heat and pressure

At which tectonic boundary would you expect to find the most composite volcanoes forming?

Question 11Select one:

• 
  Transform Boundary

• Divergent Boundary

• Convergent Boundary

The following statement is an interpretation: "The volume of ice on the Earth has been decreasing each year over the last 50 years."

Question 12Select one:

• True

• False

Sedimentary rocks that are formed from weathered pieces of other rocks are referred to as _____ .

Question 13Select one:

• sedimentary rocks

• chemical rocks

• biochemical rocks

• weathered rocks

• clastic rocks