Answer:
Leap seconds
Explanation:
A leap second is a phenomenon in time science in which a one-second adjustment is applied at a certain period to a Coordinated Universal Time (UTC), for the purpose of keeping the year and a second synced.
However, due to the variation in Earth's rotation speed in response to climatic and geological events, UTC leap seconds are mostly irregularly spaced and unpredictable.
Hence, computer programmers and astronomers are in a dispute over LEAP SECONDS
The correct answer is letter A.
Core Countries have the highest levels of economic development based on Wallerstein's World Systems Theory. This is because they tend to focus more on higher skill and capital-intensive productions compared to the rest of the world which focuses on low-skill and labor-intensive production.
Answer:
the corect answer is B. The geographic land forms that once limited movement are no longer there.
Explanation:
