Either investigates or elaborates. I think it's elaborates
A. It says in the passage that they declined the preposition
Answer: A. Leo is a dog.
Explanation: The most clearly implicit detail, is that Leo is a dog.
I would say that plate tectonics shows what the origin of volcanic activity, earthquakes and mountains comes from their collision or subduction. Where two plates collide mountains can be formed (uplift), where subduction occurs then volcanic activity like in the circum-pacific belt occurs and where stresses build up in subduction or transform fault (like the San Andreas Fault) and are suddenly released, earthquakes are the result. Subduction is where the oceanic plate gets pushed under the continental plate.
Answer:
it is important for them to firm and provide guidance.
Explanation:
being there for you is a parents job. they are there to guide you and give you guidance when it is needed. they won't always be your friend, you may not like it but they do what they do for a reason.