How is the geologic time scale sub-divided into smaller units?

A. Based on equal time intervals
B. Based on the fossil record
C. Based on major events in Earth history


Answer: C

Environmental & Atmospheric Sciences

You might also like to view...

Which site along this stream would have the highest velocity for that segment of the stream?



A) A
B) B
C) C
D) D

Environmental & Atmospheric Sciences

The central business district is characterized by

A) a high degree of accessibility. B) low buildings. C) a random arrangement of different functions. D) single-family homes.

Environmental & Atmospheric Sciences

Outline the development of amphidromic circulation in an ocean basin. What will be an ideal response?

Environmental & Atmospheric Sciences

Coastal erosion is greatest when the

1.coast has no offshore islands. 2.shore is made of hard rock, such as granite or basalt. 3.coast is only infrequently attacked by large waves. 4.shoreline has a great deal of tidal variation.

Environmental & Atmospheric Sciences