What has carbon as one of its major components? 

A)  sedimentary rocks 
B)  organic compounds 
C)  atmospheric gases 
D)  the oceans

Most of the world's platinum comes from?

A) the base of ancient stream gravels
B) veins formed by metamorphism
C) veins formed in calderas
D) large mafic to ultramafic intrusions
E) none of these

Speciation or extinction could be the result of habitat fragmentation.

Which of the following generally is true about caves formed by dissolution?

A) acidic waters dissolve feldspar in granite, producing clay
B) groundwater removed material from limestone
C) hot geothermal waters introduce acids into shallow rocks
D) carbon dioxide rises from depth and dissolves calcite and clay

Which rock classification includes lignite and bituminous coal? 

A)  sedimentary 
B)  metamorphic 
C)  igneous 
D)  tectonic

How could changes in Earth's tilt influence global climate?

A) A high angle of tilt causes snow and ice to fall off the planet.
B) A minimum angle of tilt causes high latitudes to receive less sunlight during the summer, causing an increase in glaciers.
C) A maximum angle of tilt causes Earth to reflect more sunlight into space, causing an increase in glaciers.
D) A high angle of tilt causes the continents to move away from the poles leading to more glaciers.

Which environment is least likely to deposit sand?

A) sand dunes along a beach or in a desert
B) channel of a meandering river
C) beach along the ocean or lake
D) delta along an ocean or lake
E) open ocean away from land

The agricultural revolution often led to fertile land being turned into desert from overgrazing by livestock.

Based on the image from the Investigation, which terrain is composed of basalt with a few impact craters?

A) Western Terrain W)
B) Dark Terrain D)
C) Sedimentary Terrain S)
D) Polar Ice P)
E) none of these