Using the data in this table, calculate the number of half-lives that have passed for the dike (unit D on this table).

A. 1
B. 2
C. 3
D. 4
E. 5


Answer: A

Environmental & Atmospheric Sciences

You might also like to view...

A mid-ocean ridge is an example of

a. a continental-continental convergent plate boundary. b. a transform plate boundary. c. an oceanic-oceanic divergent plate boundary. d. a continental-continental divergent plate boundary. e. an oceanic-continental convergent plate boundary.

Environmental & Atmospheric Sciences

In the United States in 2014, we import

A) about three barrels of oil for every barrel we export. B) all of our foreign-produced oil from the Middle East. C) about 50% of our crude oil. D) 10 barrels of oil for every barrel we consume.

Environmental & Atmospheric Sciences

Food chains and food webs are basically the same thing

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which precipitation mechanism takes place when a warmer air mass rises after encountering a colder, denser air mass?

a. convectional precipitation b. frontal precipitation c. cyclonic (or convergence) precipitation d. orographic precipitation e. radiation precipitation

Environmental & Atmospheric Sciences