Answer: hola, que pasa!!, Buenas,
Explanation: These are some synonyms for Oye! in spanish but I only said those because you never said what are some of the answers? have a great day!!!
Answer:
Global warming
Explanation:
In the paragraph says
Es fácil el peligro de extinción del arrecife del Amazonas cuando hace más calor en las aguas del río.
So , the problem is the heat, and the heat is caused by global warming
