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.
Yogurt is also a good source of calcium, potassium, and Vitamin D. Serving Size (1 cup), 1.49 micrograms of Vitamin B12 (25% DV), 137 calories. A Vitamin B12 deficiency may be marked by such symptoms as anemia, weakness, pale skin, weight loss, or upset stomach.
Dark green leafy vegetables. Kale, collard greens, spinach, and broccoli are good sources of vitamin E and folate, Morris says. For example, one cup of raw spinach has 15% of your daily intake of vitamin E, and 1/2 a cup of cooked spinach has 25% of your daily intake. Exactly how folate may protect the brain is unclear, but it may be by lowering levels of an amino acid known as homocysteine in the blood.