Moving from an oceanic ridge to an oceanic trench, the thickness of the lithosphere

What are the answers for the following questions?

The economies of nordon could be described a. unable to use rich resources b. struggling but diverse c. dependent on one product d. healthy and diverse

Which of these is most likely a characteristic of a non-radioactive daughter isotope after it is form from the parent isotope ? a. stable electrons b. stable nucleus c. positively charged atom d. negatively charged ion