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Earth Systems & Cycles
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States of Matter 107
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Solutions 61
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Nomenclature 15
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Hydrocarbons 13
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Alcohols 3
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Amines 2
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Polymers 5
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Biomolecules 13
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Proteins 26
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Enzymes 4
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Lipids 14
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Metabolism 39
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Vitamins 5
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Hormones 1
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Alloys 1
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Nucleus 1
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Cell Cycle 18
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Genomics 1
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Ecosystem 35
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Biomes 24
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Food Chains 15
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Biodiversity 23
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Habitat 4
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Skeletal System 116
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Nervous System 111
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Porifera 6
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Cnidaria 6
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Nematoda 6
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Annelida 7
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Arthropoda 12
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Mollusca 4
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Chordata 5
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Fish 76
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Amphibians 10
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Reptiles 14
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Birds 2
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Mammals 106
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Anatomy 17
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Physiology 20
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Reproduction 23
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Behavior 63
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Bacteriology 32
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Virology 32
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Mycology 16
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Parasitology 50
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GMOs 4
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Bio Enzymes 21
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Bio Hormones 32
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B Cells 1
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Clouds 1
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Marine Life 47
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Wetlands 5
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Tsunamis 1
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Earth Systems & Cycles Quizzes, Questions & Answers
Explore the fascinating world of Earth Systems and Cycles with our engaging quizzes. Read more
Test your knowledge on topics like weather patterns, ecosystems, and geological processes. Whether you're studying for exams or just curious, our Earth Systems and Cycles quizzes will challenge and inform you. Dive in and discover the intricate relationships that shape our planet!
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Popular Earth Systems & Cycles Topics
atmosphere
Atmosphere
(2)
Atmosphere Quizzes
Our atmosphere is an interesting mix of gases and it contains 78% nitrogen, 21% oxygen, 1% argon, 0.04% carbon dioxide, 0.5% water vapour. When we breathe in, we inhale the same mi...
Questions: 10 | Attempts: 289 | Last updated: Mar 08, 2025
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Sample Question_________present in air is needed for respiration.
The atmosphere is an important part of what makes Earth livable. It blocks some of the Sun's dangerous rays from reaching Earth. The atmosphere layer closest to the earth is re...
Questions: 10 | Attempts: 159 | Last updated: Mar 22, 2025
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Sample QuestionElectrically charged atoms
Carbon Cycle Quizzes
Sulfur is one of the most abundant elements on earth. Our ' The sulfur cycle MCQ quiz ' will test your knowledge of the exchange and transformation of sulfur on earth. Are ...
Questions: 10 | Attempts: 6039 | Last updated: May 08, 2025
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Sample QuestionWhat is Sulfur?
How much do you know about the carbon cycle and fossil fuels? The carbon cycle is how nature reuses carbon atoms, which travel from the atmosphere into organisms on the earth and r...
Questions: 12 | Attempts: 1534 | Last updated: Mar 22, 2025
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Sample QuestionWhich of the following are considered nonrenewable?
Explore the dynamics of the carbon cycle. Understand organic molecules, carbon acquisition in animals, and the roles of decomposition and combustion in carbon cycling.
Questions: 5 | Attempts: 934 | Last updated: Mar 21, 2025
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Sample QuestionWhat are organic molecules?
Top Trending Earth Systems & Cycles Quizzes
Test your knowledge of Earth's systems and cycles. Learn about the processes that shape our planet.
Questions: 8 | Attempts: 10 | Last updated: Sep 24, 2025
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Sample Question 1What is the primary source of energy for Earth's climate system?
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Sample Question 2Which layer of the Earth is composed mostly of iron and nickel?
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Sample Question 3What process describes the movement of water through the Earth's systems?