Bloating, belching and intestinal gas: How to avoid them. Bloating, belching, gas and gas pains can be embarrassing and uncomfortable. Here's what causes these signs and symptoms â and how you can prevent them. Bloating, burping and passing gas are natural and are usually caused by swallowed air or the breakdown of food through digestion.
1 Tyrannosaurus rex was one of the largest meat-eating dinosaurs that ever lived. 2  Everything about this ferocious predator, from its thick, heavy skull to its 4-foot-long (1.2-meter-long) jaw, was designed for maximum bone-crushing action.
Commonly known as T-Rex, Tyrannosaurus was the largest known tyrannosaurid and one of the largest known land predators. The most famous dinosaur lived throughout what is now western North America in the upper Cretaceous Period. The most complete specimen was up to 40 feet long, up to 13 feet high, and weighed up to 7 tons.