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A climatologist is studying sea floor sediment and he finds low levels of 18O in the shells of microorganisms there; this tell him that the water was __________when these sediments were deposited. A. fresh
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A climatologist is studying sea floor sediment and he finds low levels of 18O in the shells of microorganisms there; this tell him that the water was __________when these sediments were deposited.

A. fresh

B. cold

C. warm

D. salty

User Jackncoke
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1 vote

Answer:

Cold

Step-by-step explanation:

User Dododo
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