So we need to understand what is rational numbers?
Rational number which can be written under this form: when x any are both integers and y
The question here is : Which property would be useful in proving that the product of two rational numbers. In math, when we talk about the product of at least two number, it implies to the multiplication in the operation.
Here, only answer C: with the condition and a, b, c and d are integers. Product of two integers is always an integer..
option C is the correct answer because the continents used to be part of a larger supercontinent called Pangea and when the continents split the fossils went with it
