What sort of fossils have been found in Antarctica from about the time of Pangaea (250 MYA)?

Lystrosaurus

Explanation:

Lystrosaurus, a vegetarian dinosaur whose name apparently means "trowel dinosaur," inhabited the area in the earliest Triassic period, 220 million years. It is believed to be have been herbivorous which developed to be around one meter long, with an average build similar to a pig. Lystrosaurus skeletons have only been discovered in Antarctic peninsula, India, and Africa.

vanderwaal's forces of attraction are the electrostatic intermolecular forces that exist in a molecule due to the temporary or permanent dipoles that are developed in a molecule. in , the major intermolecular forces are dipole-dipole interactions as the molecule is polar (bent structure). so the vanderwaal's forces of interaction in between molecules are the permanent dipole-dipole interactions that develop due to the dipole that exists in between the polar h - s bond. the positively charged hydrogen atom is attracted towards the negative end of the dipole that is sulfur of the adjacent molecule. therefore, these forces of attraction are relatively stronger than that of london dispersion forces that exist in non polar molecules.

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