Geology > EXAM > SCIN 138 INTRODUCTION TO PHYSICAL GEOLOGY WEEK 7 EXAM [Complete solutions] (All)

SCIN 138 INTRODUCTION TO PHYSICAL GEOLOGY WEEK 7 EXAM [Complete solutions]

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Question 1 of 25 4.0/ 4.0 Points The process by which increased levels of CO2 in the atmosphere lead to enhanced growth of vegetation, which then removes CO2 from the atmosphere through photosynthe ... sis is termed a _____.  A. Milankovitch Cycle  B. negative feedback  C. sink  D. reservoir  E. positive feedback Question 2 of 25 4.0/ 4.0 Points Evidence of recent climate change is found in _____.  A. all of the above  B. decreased crop yields  C. reduction of sea ice  D. ocean acidification Question 3 of 25 4.0/ 4.0 Points To distinguish between weather and climate, many scientists use a/an _______year average of data.  A. 10  B. one  C. 50  D. 30  E. 100 Question 4 of 25 4.0/ 4.0 Points Past climate is best extrapolated by comparing isotopes of _____ gas.  A. carbon  B. argon [Show More]

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