Trends in Drug Use. About 22.6 million Americans or 8.9% of the population are current users. of illicit drugs, meaning they use at least once per month: â¢ 13.3 million employed Americans. â¢ 4.2 million dependent on illicit drugs. â¢ 15 million dependent on alcohol. Total economic cost = $193 billion.
The African elephant is the largest of the two species left in the world. They have extremely large ears and both the males and the females grow tusks. They can be more than 12 feet tall and weight about 14,000 pounds. There are some sub species out there that are smaller with a height of about 9 feet and weighing approximately 7,500 pounds.
The average size of an elephant varies among African and Asian Elephants. The height of an African elephant is about 2.5 to 4 meters, and Asian Elephants are 2 to 3 meters tall.The African elephants weighs up to 2,268 to 6,350 kilograms, while Asian Elephants weighs up to 2,041 to 4,990 kilograms.The skeleton of an elephant weighs about 16.5 % of its total weight.The Elephants are known as the intelligent animals, so the weight of their brain alone is about 4.5 to 5.4 kilograms. Their heart beats 28 times per minute and their heart weighs up to 28 to 30 kilograms.he height of an African elephant is about 2.5 to 4 meters, and Asian Elephants are 2 to 3 meters tall. The African elephants weighs up to 2,268 to 6,350 kilograms, while Asian Elephants weighs up to 2,041 to 4,990 kilograms. The skeleton of an elephant weighs about 16.5 % of its total weight.