They have no bones.
precambrian
Because shark teeth are hard enough to be fossilized
Because shark teeth are hard enough to be fossilized
Fossils themselves can very rarely be dated by any means...their age is usually judged by the geological assessment of the area and layer in which they are found
no they are not. If you go outside and look around and look at all types of rocks you will probably not find a fossil. Fossils are rarely found.
Maybe a T rex or some other kind of dinosaur
Rarely and only as fossils.
The fossils were first found in 1983
Yes, fossils are found in deserts.
Yes, fossils are found in deserts.
fossils are found by scientists. some are even found in deserts
Fossils are frequently found in shales.