Most likely due to the movement of plate tectonics. They are plates of earth under the ocean that move occasionally, over the years this is probably what happened. Plate tectonics are also the cause of most earthquakes and even tsunamis. Erosion could also play a factor in this as well.
4.6 billions years old, take or give a few million yeras
<u>Answer:</u> transitional
<em>Gerobatrachus hottoni mostly like to be transitional fossil.</em>
<u>Explanation:</u>
<em>Gerobatrachus refers to an extinct genus of amphibamid temnospondyl, which thrived in the initial Permian, that is, about 290 Mya</em>, in the region, which is now known as Baylor County, Texas.
The transitional form of fossils is those that <em>demonstrate the intermediate form between the two distinct living species, </em>it could be in a form of an ancestor and its descendants.
It has been believed that the reptiles creatures as frog have evolved from the <em>previous ancestor of primitive amphibian tetrapod subclass known as Temnospondyl. </em>
Aquifer is simply ground water and one of the best sources of quality water for irrigation and home use.
aquifer can be polluted like any other sources of water.
This can happen when pollutants such as random gas, oils,and chemicals get into the aquifer thus contaminating it.
1. Spain
2. United Kingdom
3. France
4. Italy
5. Germany
6. Russia
Out of these countries, Russia has the largest population.