Not 100 percent sure but i believe the set of words that is an adjective clause is D.
That I would like to study in more depth.
It includes the pronoun (that) the verb (study) and the subject (I)
• Cells have a variety of mechanisms to prevent mutations, or permanent changes in DNA sequence.
The answer is add more codes
Mother pegg died of malnutrition
Answer:
B. In the countryside
Explanation:
Just took the test and got 100%