acidity level
71Riesling — Rossling redirects here. For the Swiss wine grape also known as Rossling, see Räuschling. Johannisberger redirects here. For another wine grape that is also known as Johannisberger, see Silvaner. Riesling Grape (Vitis) …
72List of vineyard soil types — The soil composition of vineyards is one of the most important viticultural consideration when planting grape vines. The soil supports the root structure of the vine and influences the drainage levels and amount of minerals and nutrients that the …
73Chemistry — For other uses, see Chemistry (disambiguation). Chemistry is the science of atomic matter (that made of chemical elements), its properties, structure, comp …
74Europe — /yoor euhp, yerr / for 1; /yoo roh pee, yeuh / for 2, n. 1. a continent in the W part of the landmass lying between the Atlantic and Pacific oceans, separated from Asia by the Ural Mountains on the E and the Caucasus Mountains and the Black and… …
75Marine habitats — Coral reefs provide marine habitats for tube sponges, which in turn become marine habitats for fishes Littoral zone …
76Ammonia — For other uses, see Ammonia (disambiguation). Ammonia …
77Geography of Brazil — The country of Brazil occupies roughly half of South America, bordering the Atlantic Ocean. Brazil covers a total area of 8,514,215 km² (3,287,357 sq mi) which includes 8,456,510 km² (3,265,076 sq mi) of land and 55,455 km² (21,411 sq mi) of… …
78PH — is the measure of the acidity or alkalinity of a solution. It is formally a measure of the activity of dissolved hydrogen ions (H+), but for very dilute solutions, the molarity (molar concentration) of H+ may be used as a substitute with little… …
79Aldol reaction — The aldol reaction is a powerful means of forming carbon–carbon bonds in organic chemistry.[1][2][3] Discovered independently by …
80Sauternes (wine) — Sauternes is a French dessert wine from the Sauternais region of the Graves section in Bordeaux. Sauternes is made from Sémillon, Sauvignon Blanc, and Muscadelle grapes that have been affected by Botrytis cinerea , also known as noble rot. This… …
