crystallized+carbon
51Food preservation — Canadian World War I poster encouraging people to preserve food for the winter …
52angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction any member of the more than 300,000 species of flowering plants (division Anthophyta) …
53sodium — /soh dee euhm/, n. 1. Chem. a soft, silver white, metallic element that oxidizes rapidly in moist air, occurring in nature only in the combined state, and used in the synthesis of sodium peroxide, sodium cyanide, and tetraethyllead: a necessary… …
54Enzyme — Biocatalyst redirects here. For the use of natural catalysts in organic chemistry, see Biocatalysis. Human glyoxalase I. Two zinc ions that are needed for the enzyme to catalyze its reaction are shown as purp …
55Citric acid — E330 redirects here. For the locomotive, see FS Class E330. Citric acid …
56Glossary of climate change — This article serves as a glossary of climate change terms. It lists terms that are related to anthropogenic climate change.AlphanumericTOC align=center nobreak= seealso= references= top=|0 9* 100,000 year problem a discrepancy between the climate …
57European honey bee — Taxobox name = Western honey bee ( Apis mellifera ) image caption = Honey bee approaching a Milk Thistle flowerhead regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Hymenoptera subordo = Apocrita superfamilia = Apoidea familia =… …
58Huffman , Donald Ray — (1935–) American physicist Born at Fort Worth in Texas, Huffman was educated at Texas Agricultural and Mechanical College, at Rice University, Houston, and at the University of California, Riverside, where he completed his PhD in 1966. After… …
59Reinforced concrete — is concrete in which reinforcement bars ( rebars ), reinforcement grids, plates or fibers have been incorporated to strengthen the concrete in tension. It was invented by French gardener Joseph Monier in 1849 and patented in 1867.[1] The term… …
60Ribavirin — Systematic (IUPAC) name 1 [(2R,3R,4S,5R) 3,4 dihydroxy 5 (hydroxymethyl)oxolan 2 yl] 1H 1,2,4 triazole 3 carboxamide Clinical data …
