It is defining.
Defining relative clause does not have a comma, while a non-defining relative clause has.
For example, if the sentence is:
The children, who hate chocolates, are uncommon.
- since there is comma in this sentence, it is non-defining.
- while if there is no comma like the question in the picture, it is defining.
Answer:
D Slump
Explanation:
In slumps the rock and soil moves as a single mass.
I believe that it is the last one: Physical punishment is cruel and inhuman.