Did dinosaurs really exist? How long had the dinosaurs existed before the Jurassic Age? When did theropod dinosaurs inhabit Earth? Why weren't giant dinosaurs around in the Triassic Period? Did dinosaurs live on Pangea? How do scientists know what color dinosaurs were?
Asteroids can be found in many parts of the solar system, but most of them only exist in the asteroid belt. However, some of the asteroids that aren't...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer ...
Next, an oxygenated atmosphere paved the way for more complex life forms to exist. At about 100,000,000 years ago, dinosaurs roamed the Earth until their abrupt extinction. Finally, 10,000,000 years ago was the age of mammals. And these mammals are our direct ancestors. It was only 100,...
the average person makes a choice from the options in front of him. Either good ones don’t exist, or they are so expensive, they cannot afford them. I heard you can make solar panels out of aluminum cans. I do not know how, but that proves it can be a cheap solution, if people ...
The first night we slept at her place, I had a terrible dream that I swallowed a snake and when I woke up I started feeling a movement in my chest and this lasted for 18 years! – I did all sort of xray but we couldn’t find anything. ...
A supercontinent is a landmass made up of most or all ofEarth’s land. By this definition the landmass formed by present-dayAfricaand Eurasia could be considered a supercontinent. The most recent supercontinent to incorporate all of Earth’s major—and perhaps best-known—landmasses was Pangea....
Modern geology has shown that Pangea did actually exist. In contrast to Wegener’s thinking, however, geologists note that other Pangea-like supercontinents likely preceded Pangea, including Rodinia (circa 1 billion years ago) and Pannotia (circa 600 million years ago). Today, Earth’s tectonic ...