The correct answer is - b. destructive.
Once the mountains stop their lifting up and also the other features are done with their formation, the erosion process takes over and starts to do its work by slowly wearing down the mountains and other features. The tendency of the erosion process is to flatten everything that it affects, so if there isn't any significant change that will cause lifting up of the terrain, the erosion will be able to flatten the space as much as possible. The erosive processes are considered as destructive processes because they are destroying the land features.
Communism is the correct answer
The more carbon dioxide, the more the atmosphere warms up due to the greenhouse effect.
Greenhouse effect- greenhouse gases trap the suns heat making the earth warmer
The answer is density, temperature, and salinity. These are the factors that makes a current that is 50 meter less deep. The other choices will create a higher amplitude of the current.