A 100-ft tree, 18 diameter at its base, produces 6,000 pounds of oxygen. - Northwest Territories Forest Management On average, one tree produces nearly 260 pounds of oxygen each year. Two mature trees can provide enough oxygen for a family of four. - Environment Canada, Canada's national environmental agency
Tuberculosis is a chronic disease of the respiratory system that usually enters the body through the trunk, the windpipe [trachea], and the lungs. Tuberculosis is a bacterial disease (Mycobacterium spp.) that can infect both elephants and humans.reatment: 1  Immediately separate the elephant from other animals in the herd. 2  Take the elephant to a shady, clean, and quiet place. 3  Feed the elephant with highly nutritious food that is easy to swallow, such as ripe bananas or other fresh fruit.
Elephants are the largest living land mammals. The largest elephant recorded was one shot in Angola, 1974. It weighed 27,060 pounds and stood 13 feet 8 inches tall. Their skin colour is grey. At birth, an elephant calf may weigh 100 kg. The baby elephant develops for 20 to 22 months inside its mother. No other land animal takes this long to develop before being born. In the wild, elephants have strong family relationship. Their ways of acting toward other elephants are hard for people to underst