1. 40-50 percent
   60-70 percent
2. 80-90 percent

California account for 80-90 percent of all U.S. wine.<a href="http://recipes.howstuffworks.com/food-facts/wine/winemaking.htm">How Wine Making Works</a>

1. Uviculture
   Vinoculture
2. Viticulture

Viticulture is the process affected by the complex interaction between an area's soil, topography and climate.<a href="http://recipes.howstuffworks.com/food-facts/wine/winemaking.htm">How Wine Making Works</a>

1. Must
   Mist
2. Mast

In the winemaking process, must is the name for the crushed grapes and juice.<a href="http://recipes.howstuffworks.com/food-facts/wine/winemaking.htm">How Wine Making Works</a>

1. The soil where the grapes were grown
   The red grape juice
2. The red grape skins

The red grape skins give red wines their dark color.<a href="http://recipes.howstuffworks.com/food-facts/wine/winemaking.htm">How Wine Making Works</a>

1. Liquid nitrogen
   Glycol
2. Ice

Glycol is used to keep fermentation tanks at 40 degrees Fahrenheit.<a href="http://recipes.howstuffworks.com/food-facts/wine/winemaking.htm">How Wine Making Works</a>

1. Glycolysis
   Glycolic diffusion
2. Sucrolysis

Glycolysis is the name of the 10-step process whereby the glucose is broken down by yeast.<a href="http://recipes.howstuffworks.com/food-facts/wine/winemaking.htm">How Wine Making Works</a>

1. 1-2 weeks
   2-4 weeks
2. 4-6 weeks

The fermentation process takes 2-4 weeks.<a href="http://recipes.howstuffworks.com/food-facts/wine/winemaking.htm">How Wine Making Works</a>

1. White wine
   Red wine
2. California wine

White wine is allowed to settle before the yeast is filtered out of it.<a href="http://recipes.howstuffworks.com/food-facts/wine/winemaking.htm">How Wine Making Works</a>

1. Ruddling
   Riddling
2. Rattling

Riddling is the name of the process whereby the bottle is placed upside-down and rotated one-eighth of a turn every day, allowing the dead yeast cells to settle into the neck of the bottle.<a href="http://recipes.howstuffworks.com/food-facts/wine/winemaking.htm">How Wine Making Works</a>

1. Chardonnay
   Riesling
2. Champagne

Champagne has a mixture of white-wine brandy and sugar added to top off the bottle.<a href="http://recipes.howstuffworks.com/food-facts/wine/winemaking.htm">How Wine Making Works</a>