Froggy Jumps NITROGEN CYCLEOnline version VOCABULARY ACT 10 by ANA ISAURA DE LA MORA ORONA 1 What does build-up mean? a A jump of elements in the ecosystem b Total removal of substances c When something starts piling up more and more 2 What superpower happens during fixation? a Changing nitrogen from the air into ammonium b Making nitrogen invisible c Freezing nitrates 3 What do decomposers do? a Cook nitrates b Keep the water shiny c Break down tissues and release nitrogen 4 What is the natural process in which nitrogen moves through the atmosphere, soil, water, and living organisms? a water cycle b Nitrogen Cycle c Nitrites 5 What is ammonia in the nitrogen cycle? a A compound released when something decomposes b A gas found only in volcanoes c A bacteria perfume 6 What is eutrophication? a A party underwater b When so many nutrients accumulate that everything grows too much c A trick to turn water green 7 What are nitrites? a Tiny magic sparks b Super nutritious water drops c The intermediate form of nitrogen made by bacteria 8 What is a nutrient-poor place like? a A treasure chest full of minerals b A place with almost no nutrients to grow c A magical super soil 9 What trick does denitrification perform? a Changing nitrates back into nitrogen gas b Making the soil blue c Turning nitrites into rainbows 10 What is nitrous oxide? a A special type of cloud b A mysterious nutrient from water c A gas released during denitrification
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