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climate change – n. a change in the world's climate patterns attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels
microbe – n. an extremely small living thing that can only be seen with a microscope
author – n. a person who has written something
fungus – n. any one of a group of living things that often look like plants but live on dead or decaying things (plural: fungi)
carbon dioxide – n. a gas that is produced when people and animals breathe out or when fossil fuels are burned and that is used by plants for energy
cycle – n. a set of events or actions that happen again and again in the same order
fingerprint – n. a distinctive or identifying mark or characteristic
