True of false - Fossils of the freshwater reptile Mesosaurus have been found in South America and in Africa.

Mesosaurus (meaning "middle lizard") is an extinct genus of reptile from the Early Permian of southern Africa and South America. 

Fossils like these were also the reason why researches believe that the continent of South America and Africa were once together.

thus this statement is True.

Explanation:

I hope this helps.

have a great day ahead :)

i believe the answer would be b. hope it : )

other quantities, called derived quantities, are defined in terms of the seven base quantities via a system of quantity equations. the si derived unitsfor these derived quantities are obtained from these equations and the seven si base units.