What is the relationship between a nation's gross domestic product (GDP) and its standard of living? A.
As a nation's GDP declines, its standard of living is likely to improve.
B.
As a nation's GDP declines, its standard of living is likely to stay the same.
C.
As a nation's GDP rises, its standard of living is likely to decline.
D.
As a nation's GDP rises, its standard of living is likely to improve.

a.

Explanation:

d is correct the correct option.

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.