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.
Tyrannosaurus rex was a very large, bipedal carnivore. It reached lengths of up to 15.2 yards (14 meters) from tip of snout to tip of tail, and weighed between 8,800 and 11, 000 pounds (4,000 to 5,000 kilograms). In addition to its large size, T. rex is famous for its ferocious, serrated teeth.