Kosher salt is usually manufactured with a grain size larger than table salt grains. Wheat and corn are the primary cereal grains. Cornmeal is produced by grinding dry raw corn grains. Meat, dairy, eggs, soy, fish, whole grains, and cereals are sources of protein. Plant food includes cereal grains, berries and fruit. This spread to Western Asia, which domesticated its wild grains, wheat and barley. Rice requires slightly more water to produce than other grains. Most of the cereal grains are grown for livestock feed. Rye plants withstand cold better than other small grains do. It is fairly common to combine rye with other grains and seeds. There are thousands of variations of pilaf made with rice or other grains like bulgur. Solar is also used for food products such as fruits, grains, and fish. Most rocks are aggregates of small mineral grains. Criteria were taste and the shape of the rice grains. Metamorphism causes variable recrystallization of the original carbonate mineral grains.