What is the ratio of human-caused carbon releases into the atmosphere shown in figure compared to the amount released by terrestrial respiration? 11eb989b_389d_f1f3_977e_b16a8a29af8f_SM1369_00 FIGURE 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 CO₂ in the atmosphere.

Principles of Environmental Science 7th Edition by William Cunningham,Mary Cunningham

النسخة 7الرقم المعياري الدولي: 978-0071314947

Principles of Environmental Science 7th Edition by William Cunningham,Mary Cunningham

النسخة 7الرقم المعياري الدولي: 978-0071314947

تمرين 21

What is the ratio of human-caused carbon releases into the atmosphere shown in figure compared to the amount released by terrestrial respiration?

FIGURE 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 CO₂ in the atmosphere.

التوضيح

موثّق

Carbon serves very important role for li...