He conflicting results of cross-sectional and longitudinal studies of aging and intelligence are of greatest relevance to the issue of stability or change. nature or nurture. continuity or stages. concrete or formal operational thought. assimilation or accommodation.

stability or change.    

Explanation:

Stability or change: The term "stability" refers to an individual's personality trait that is being present at the time of infancy and therefore it is being endured throughout an individual's life.

The term "change" refers to the fact that an individual's personality can be modified through interactions with his or her family, acculturation, and different experiences accompanied by friends or school.

In the question above, the given statement signifies stability and change.

uhh idk for sure but i think it makes it difficult to pump the oil through the oil rigs

quote is the answer your looking for.