ESS: Deep Time 7-12

Exit

Question 1 of 1

  Time Left


0
434538
0
120
block

Which microorganisms are used to study oxygen isotopes in order to reconstruct the climate?

Select the correct answer(s).  

(0/0)












434540
0
120
none
434543
0
120
none
434544
0
120
none
434547
0
120
none
434553
0
120
none
434557
0
120
none
434563
0
120
none
434574
0
120
none
434576
0
120
none
440240
0
60
none
440241
0
60
none
434371
0
240
none
434383
0
120
none
434392
0
120
none