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Hace 21 horas · The name "vitamin C" always refers to the l-enantiomer of ascorbic acid and its oxidized form, dehydroascorbate (DHA). Therefore, unless written otherwise, "ascorbate" and "ascorbic acid" refer in the nutritional literature to l-ascorbate and l-ascorbic acid respectively.Ascorbic acid is a weak sugar acid structurally related to glucose.In biological systems, ascorbic acid can be found only at ...
Hace 21 horas · Delta Air Lines is one of the major airlines of the United States and a legacy carrier headquartered in Atlanta, Georgia. The United States' oldest operating airline and the seventh-oldest operating worldwide, Delta along with its subsidiaries and regional affiliates, including Delta Connection, operates over 5,400 flights daily and serves 325 destinations in 52 countries on six continents.
Hace 21 horas · Quantum mechanics is a fundamental theory in physics that describes the behavior of nature at and below the scale of atoms.: 1.1 It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science. Quantum mechanics can describe many systems that classical physics cannot.
Hace 21 horas · The Anthropocene (/ ˈ æ n θ r ə p ə ˌ s iː n, æ n ˈ θ r ɒ p ə-/) is the common name for a proposed geological epoch, dating from the commencement of significant human impact on Earth up to the present day. It affects Earth's geology, landscape, limnology, ecosystems and climate. The effects of human activities on Earth can be seen for example in biodiversity loss and climate change.
