What does the bar graph show us about changes in animal versus human biomass during the 20th century?*

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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What does the bar graph show us about changes in animal versus human
biomass during the 20th century?*
Changes in Biomass for Animals and Humans
60
50
40
Animals
30
Humans
20
10
1900
2000
Year
Human biomass quadrupled while animal biomass decreased by half.
O Human biomass decreased due to dieting while animals got heavier.
O Both human biomass and animal biomass increased significantly.
O Animal biomass went up by a factor of ten while human biomass doubled
Biomass in Million Tonnes
Transcribed Image Text:What does the bar graph show us about changes in animal versus human biomass during the 20th century?* Changes in Biomass for Animals and Humans 60 50 40 Animals 30 Humans 20 10 1900 2000 Year Human biomass quadrupled while animal biomass decreased by half. O Human biomass decreased due to dieting while animals got heavier. O Both human biomass and animal biomass increased significantly. O Animal biomass went up by a factor of ten while human biomass doubled Biomass in Million Tonnes
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