Yes, it's a dependent clause.
Answer:a dramatic change of events
Explanation:
Answer:
if we sell our house
Explanation:
Adverb clause is a dependent clause which functions as an adverb, i.e. it modifies an adjective, a verb, or another adverb.
There are different types of adverb clauses such as adverb clause of time, cause, condition, or manner.
This sentence includes adverb clause of condition that is if we sell our house.
Does communicate the the meaningless gestures