The white granite of the Idaho Batholith near Boise, Idaho, contains dark gray xenoliths of metamorphic material. Which is older? How do you know?
A) Granite; the principle of superposition
B) Xenoliths; the principle of cross-cutting relations
C) Granite; the principle of unconformities
D) Xenoliths; the principle of inclusions
Question 2
The Mississippi River cuts through Silurian-aged dolomite between northwestern Illinois and eastern Iowa. Which is older? How do you know?
A) Dolomite;the principle of superposition
B) Mississippi; the principle of original horizontality
C) Dolomite; the principle of cross-cutting relationships
D) Mississippi; the principle of lateral continuity
A pair of spotted hyenas at White River, Mpumalanga
White Snakeroot
Buffy Helmetcrest and White-bearded Helmetcrest
Gray and White Matter of the Brain
One of the cultural privileges of being white in the United States is less suspicion of wrongdoing.
The three possible sequences of the white, yellow, and echinus genes