Are caves formed by chemical or mechanical weathering? Caves are formed by both chemical and mechanical weathering. Most caves are formed by dissolution of limestone, however, which is a form of chemical weathering.
Antioxidants help protect your liver, promote recovery if it's damaged and even inhibit cancer cells. Eat a variety of colorful fruits and vegetables, which tend to provide the most antioxidants. Rich examples include sweet potatoes, mangoes, carrots, berries, spinach, kale, tomatoes, apricots, watermelon and oranges.
Liver and other organ meats are high in nutritional value. Liver is an ideal source of protein, vitamin A, good fatty acids and many other minerals and nutrients. Your pooch can benefit from a little liver in his diet as a treat or as a main part of the meal a few times a week.