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Principles of Environmental Science 8th Edition by William Cunningham,Mary Cunningham
النسخة 8الرقم المعياري الدولي: 978-0078036071Principles of Environmental Science 8th Edition by William Cunningham,Mary Cunningham
النسخة 8الرقم المعياري الدولي: 978-0078036071 تمرين 17
What is the ratio of human-caused carbon releases into the atmosphere shown in figure 2.18 compared to the amount released by terrestrial respiration?
FIGURE 2.18: The carbon cycle. Numbers indicate approximate exchange of carbon in gigatons (Gt) per year. Natural exchanges are balanced, but human sources produce a net increase of CO 2 in the atmosphere.
FIGURE 2.18: The carbon cycle. Numbers indicate approximate exchange of carbon in gigatons (Gt) per year. Natural exchanges are balanced, but human sources produce a net increase of CO 2 in the atmosphere.
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Extremophiles live in extreme places suc...
Principles of Environmental Science 8th Edition by William Cunningham,Mary Cunningham
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