Question

why was it unlikely that a mesosaur would be able to cross the atlantic ocean?
o the mesosaur was only 70 centimeters long and lived on land.
o the mesosaur was allergic to salt water.
o the mesosaur was unable to swim.
o the mesosaur was only 70 centimeters long and lived in a freshwater environment.

Explanation:

Mesosaurs were small (70 cm long) and lived in freshwater. The Atlantic is a large salt - water body, making it difficult for them to cross.

Answer:

The mesosaur was only 70 centimeters long and lived in a freshwater environment.