19656939
Description
Flashcards by Sophia Fedorenko, updated more than 1 year ago
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Created by Sophia Fedorenko
about 5 years ago
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| Question | Answer |
| How do organisms move away from carbon into the soil? | People burn fossil fuels to power factories/plants, cars/trucks and most of carbon move in faster to the atmosphere! |
| What is cellulose? | Cellulose is an anabolically plant-produced carbohydrate! |
| Which part of the carbon cycle involves animals breathing in oxygen and out carbon dioxide? | Respiration! |
| Where are most of the earth's oxygen located? Name one! | the majority of the world’s oxygen is located in tiny ocean plants! As known as phytoplankton - they live close to the ocean’s surface and drift with the currents. (extreme waves) |
| Why is the rise of atmospheric oxygen relatively stable despite the burning of fossil fuel and the reduction of forests? | The agriculture advances worldwide has increased plant productivity! |
| How do humans get nitrogen? | Humans get nitrogen from protein and proteins include carbon, hydrogen and oxygen! |
| These three important types of organic materials require nitrogen. What are they? | 1. Amino acids, 2. Nucleotides, and 3. Adenosine Triphosphate (ATP) |
| Ammonium (NH4) stays in soil, while nitrate (NO3) is easily leached out. Why do they behave so differently? | NH4 has a positive charge and also, sticks to soil particles! |
| In what ways to the phosphorus cycle have an affect on humans? | they have an impact on phosphorus cycle mainly due to the fact of the use of fertilizers, raising livestock and hogs! these compounds have a high content of phosphorus, which will lead its way into the soil and runoff in water! |
| The phosphorus cycle is fundamentally different from the nitrogen and sulfur cycles. How so? | The phosphorus cycle does have gaseous phase, leading in no significant quantities of atmospheric phosphorus! |
| Why does water vapour condense when it moves far above the earth? | above the earth, air tends to be colder. Cold air has less water vapour than warm air. It condenses (comes back) into liquid water! |
| How does global warming affect the hydrologic cycle? | Global warming causes the hydrologic cycle to accelerate because warmer weather means more evaporation, and more evaporation means more precipitation. leading to extreme weather conditions! |
| What is the equation for respiration? | oxygen+sugar glucose->CO2+H2O |
| What happens to the phosphorus that is carried by runoff to the oceans? | it concentrates into marine sediment and some eventually gets incorporated into the bodies of marine animals such as fish. |
| If ground water reaches the surface, how does it re-enter the water cycle? | It re-enters the water cycle by evaporation into the earth's atmosphere |
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