Examlex
Discuss how correlational research is conducted compared to an experiment.Discuss advantages and disadvantages of both.
DNA
Deoxyribonucleic acid, the molecule carrying genetic instructions for the development, functioning, growth, and reproduction of all known living organisms and many viruses.
Physical Change
A type of change in which the form of matter is altered but one substance is not transformed into another, maintaining the material's chemical properties.
Carbon Dioxide
A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in the air and absorbed by plants in photosynthesis.
Iron
A metallic element (Fe) that is vital for biological processes in humans and other organisms, such as oxygen transport and cellular metabolism.
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