Because of this symmetrical geometry, CCl 4 is non-polar. Methane gas has the same structure, making carbon tetrachloride a halomethane. As a solvent, it is well suited to dissolving other non-polar compounds, fats, and oils. It can also dissolve iodine.
The best sources of Vitamin B 12 include: eggs, milk, cheese, milk products, meat, fish, shellfish and poultry. Some soy and rice beverages as well as soy based meat substitutes are fortified with vitamin B12. To see if a product contains vitamin B 12 check the Nutrition Facts on the food label.
Lean meat, poultry, fish, legumes, dairy, eggs, nuts, and seeds are good sources. The FDA says adults should eat 50 grams of protein a day. Pregnant and nursing women need more. Foods that have it provide nutrients like vitamins B6 and B12, both of which keep your immune system working like it should. Vitamin B6 comes in protein-rich foods like turkey and beans, as well as potatoes, spinach, and enriched cereal grains. Meats, milk, and fish also contain vitamin B12, a powerful immune booster. Minerals like selenium and zinc also keep your immune system going strong. These minerals are found in protein-rich foods like beans, nuts, meat, and poultry.