Answer:
The lithosphere-asthenosphere boundary
Explanation:
because is conventionally taken at the 1300 °C isotherm. Below this temperature (closer to the surface) the mantle behaves rigidly; above this temperature (deeper below the surface) it acts in a ductile fashion.
Variations in air pressure from place to place are the principal cause of wind. It is air in motion.<span> It is produced by the uneven heating of the earth’s surface by the sun.</span><span> Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>
Answer:
Option (2)
Explanation:
Glossopteris is defined as a fossil plant that existed during the Permian and Triassic period., which are about 250 million years old. The leaves of this plants are tongue-shaped and are marked by the midribs and reticulate type of venations. These are found to be present in the rocks of Southern continents such as Australia, India, Antarctica, South America and South Africa.
<u>This glossopteris fossil plants provides evidence for the continental drift</u> that has been taking place constantly over the geological time. This plant is found in almost all the southern continents, that were once all combined together.
Hence, the correct answer is option (2).
