By placing posters to say "Treat the animals with care" to places so the people will know
Obedience relate to something you don’t necessarily want to do but do anyways while compliance is impacted by those around you therefore the answer is D. Hope it helps!!
Answer: A.
Explanation:
The author was disappointed when he/she learned that only adults are able to participate (a rule) in the art contest.
A complex sentence has a main clause and a dependant or subordinate clause right after, joining the two is subordinate conjunction.
Example:
You should always contribute to society since it will improve the lives of many people.
(You should always contribute to society) main clause.
(Since) subordinate clause
(Since it will improve the lives of many people)
dependent clause
Hope it helped. :D