Radiocarbon dating of organic material may provide a climate ...

[genevieve1028]

Radiocarbon dating of organic material may provide a climate record for up to ________ years before present.
 
  A) 10,000 B) 25,000 C) 50,000 D) 75,000 E) 150,000

Question 2

Which of the following is true of thermohaline circulation?
 
  A) They are deep currents caused by differences in temperature and salinity.
  B) The circulation has a definitive beginning and end, at the equator and poles, respectively.
  C) Due to t heir depths, they carry limited volumes of water.
  D) They travel at greater speeds than surface currents.
  E) They are largely wind driven.

[Carissamariew]

Answer to Question 1

C

Answer to Question 2

A

[genevieve1028]

TYSM

[Dnite]

Excellent