Cigarette Ingredients. Cigarette smoke contains over 4,000 chemicals, including 43 known cancer-causing (carcinogenic) compounds and 400 other toxins. These cigarette ingredients include nicotine, tar, and carbon monoxide, as well as formaldehyde, ammonia, hydrogen cyanide, arsenic, and DDT.Nicotine is highly addictive.igarette smoke contains over 4,000 chemicals, including 43 known cancer-causing (carcinogenic) compounds and 400 other toxins.
Harbour porpoise skeleton on display. The harbour porpoise is a little smaller than the other porpoises, at about 67â85 cm (26â33 in) long at birth, weighing 6.4â10 kg. Adults of both sexes grow to 1.4 to 1.9 m (4.6 to 6.2 ft). The females are heavier, with a maximum weight of around 76 kg (168 lb) compared with the males' 61 kg (134 lb). The body is robust, and the animal is at its maximum girth just in front of its triangular dorsal fin. The beak is poorly demarcated.
Quills have sharp tips and overlapping scales or barbs that make them difficult to remove once they are stuck in another animalâs skin. Porcupines grow new quills to replace the ones they lose. From the tip of the nose to the end of the tail, a porcupine can be from 33 to 46 inches (80 to 115 cm) long. They can weigh from 12 to 35 lbs (5 to 16 kg). Porcupines make shrill screeches, whines, and low grunts to communicate. Porcupines are nocturnal, which means they are active primarily at night.