Steel is composed of carbon and other elements dissolved in iron. Steel can be classified as a(n)
A. Mixture
B. Element
C. Compound
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What best discribes the relationship between wavelength and frequency in a electromagnetic wave

Which process results in the release of energy stored in the products of photosynthesis? a. polymer synthesis b. depolymerization c. digestion d. cellular respiration

List a abiotic factors and character