Q. What are the elements that have isotopes?
Hydrogen and its two naturally occurring isotopes, deuterium and tritium. All three have the same number of protons (labeled p+) but different numbers of neutrons (labeled n). A family of people often consists of related but not identical individuals. Elements have families as well, known as isotopes.
Q. What makes an atom an isotope?
Isotopes are atoms with different atomic masses which have the same atomic number. The atoms of different isotopes are atoms of the same chemical element; they differ in the number of neutrons in the nucleus.
Q. Are dinosaurs still alive in 2020?
In an evolutionary sense, birds are a living group of dinosaurs because they descended from the common ancestor of all dinosaurs. Other than birds, however, there is no scientific evidence that any dinosaurs, such as Tyrannosaurus, Velociraptor, Apatosaurus, Stegosaurus, or Triceratops, are still alive.
Q. Has a full dinosaur been found?
Scientists have revealed the world’s first ever complete T-rex skeleton – found after it fell to its death in a deadly duel with a triceratops. Each of the 67-million-year-old remains are among the best ever found and have only been seen by a select few people since they were discovered in 2006.
Q. Why are dinosaur bones black?
Phosphate is a jet black mineral. If phosphate replaces the original material, the fossil will be black. Areas with lots of iron in the ground will produce red and orange colored fossils. Also, areas with gray clays and limestone will give a gray-green or gray-yellow color, like the shark teeth in North Carolina.
Q. Where have most dinosaurs been found?
Where have the most Dinosaur fossils been found? Dinosaur fossils have been found on every continent of Earth, including Antarctica but most of the dinosaur fossils and the greatest variety of species have been found high in the deserts and badlands of North America, China and Argentina.
Q. Why didnt dinosaur bones decompose?
This is because they lived in the sea, where sand or mud could bury their remains quickly after they died. Once remains are buried under sediment, their decomposition slows down due to a lack of oxygen, giving enough time for fossilisation to occur.
Q. Are Dinosaurs Real?
Dinosaurs are a group of reptiles that have lived on Earth for about 245 million years. In 1842, the English naturalist Sir Richard Owen coined the term Dinosauria, derived from the Greek deinos, meaning “fearfully great,” and sauros, meaning “lizard.” Dinosaur fossils have been found on all seven continents.
Q. Who came first dinosaurs or Adam and Eve?
The first has dinosaurs, alongside Adam and Eve, living in harmony. The ferociously fanged T. rex is likely to be a vegetarian.
