Please Define the Following Key Terms

question 44

Essay

Please define the following key terms. Show Who? What? Where? When? Why Important?
-Fourier

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Definitions:

Ultraviolet Radiation

A form of electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays, which can have effects ranging from beneficial, like vitamin D synthesis, to harmful, like skin cancer.

Free Oxygen

Atomic or molecular oxygen not bound to any other elements, often referring to atmospheric oxygen that is available for respiration.

Chemical Building Block

Basic components used in chemistry to synthesize more complex molecules.

Carbon Dioxide

A transparent, scentless gas that results from the combustion of carbon and organic materials and through the process of breathing. It exists naturally in the atmosphere and is taken in by plants during the process of photosynthesis.