The answer to your question is Encuentra
Answer:
Él es su padre.
If it is tu, then that would be a question, but su, is more clear.
So su is the best answer.
Hope this helps
o(>ω<)o
Answer is sé, it matched more correctly for the sentence
I would answer B
the climate is tropical ,but cool in some parts and may be very cold in the mountains
hope I helped !