Answer:
Uplift rate.
Explanation:
We have been given that sea level changes occur at a rate of 10 m per 1,000 years. Regional erosion occurs at a rate of 2 m per 1,000 years. Uplift occurs at a rate of 0.1 m per 1,000 years. We are asked to choose the slowest process.
Let us find each rate in terms of per year as shown below:






Therefore, uplift rate is the slowest process as uplift occurs 0.0001 meter per year.