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Carbon Dioxide and Carbon Cycle Multiple Choice Questions (MCQ) PDF Download

The e-Book Carbon Dioxide and Carbon Cycle Multiple Choice Questions (MCQ Quiz) with answers, Carbon Dioxide and Carbon Cycle MCQs PDF download to learn online global-warming degree courses. Study Greenhouse Effect Multiple Choice Questions and Answers (MCQs), Carbon Dioxide and Carbon Cycle quiz answers PDF for colleges that offer online classes. The Carbon Dioxide and Carbon Cycle MCQ App Download: Free learning app for chlorofluorocarbons (cfcs) and ozone, carbon dioxide and carbon cycle, gases with an indirect greenhouse effect test prep to learn online certificate courses.

The MCQ What are two main processes which occur in natural carbon cycle: photosynthesis and decomposition, photosynthesis and respiration, photosynthesis and combustion and photosynthesis and metabolism with "Carbon Dioxide and Carbon Cycle" App Download (Free) for colleges that offer online classes. Practice carbon dioxide and carbon cycle quiz questions, download Google eBook (Free Sample) for free online college courses.

Carbon Dioxide and Carbon Cycle MCQ Quiz PDF Download: Global-Warming MCQs

MCQ 1: What are two main processes which occur in natural carbon cycle?

A) Photosynthesis and decomposition
B) Photosynthesis and respiration
C) Photosynthesis and combustion
D) Photosynthesis and metabolism

MCQ 2: The concentration of Carbon dioxide has increased; from

A) 300 ppm to 370 ppm
B) 280 ppm to 370 ppm
C) 200 ppm to 370 ppm
D) 380 ppm to 370 ppm

MCQ 3: Which isotope of carbon is very rare and radioactive?

A) Carbon-12
B) Carbon-13
C) Carbon-14
D) Carbon-11

MCQ 4: Planktons live on the surface of:

A) Pond
B) River
C) Ocean
D) Lake

MCQ 5: The size of 'plankton' is:

A) four-thousandth of a millimetre
B) three-thousandth of a millimetre
C) one-thousandth of a millimetre
D) Two-thousandth of a millimetre

Global Warming Practice Tests

Carbon Dioxide and Carbon Cycle Learning App & Free Study Apps

Download Global Warming MCQs App to learn Carbon Dioxide and Carbon Cycle MCQs, International Relations Quiz App, and Marine Pollution MCQ App (Android & iOS). The free "Carbon Dioxide and Carbon Cycle MCQs" App includes complete analytics of history with interactive assessments. Download Play Store & App Store learning Apps & enjoy 100% functionality with subscriptions!

Global Warming App (Android & iOS)

ALL-in-ONE Learning App (Android & iOS)

Global Warming App (Android & iOS)

Global Warming App (Android & iOS)

International Relations App (Android & iOS)

International Relations App (Android & iOS)

Marine Pollution App (Android & iOS)

Marine Pollution App (Android & iOS)