The two correct answers regarding the hazards that climate change poses for Southeast Asia are:
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Rising sea levels - Climate change leads to the melting of ice caps and glaciers, as well as the thermal expansion of seawater, resulting in rising sea levels that threaten coastal areas of Southeast Asia.
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More intense typhoons - Climate change is associated with an increase in the intensity and frequency of extreme weather events, including typhoons, which can have devastating impacts on communities, infrastructure, and ecosystems in Southeast Asia.
The other options, such as more volcanic eruptions and increased tectonic activity, are not directly linked to climate change. While overpowering in coastal cities is not a recognized term, the implications of rising sea levels and intense storms can indeed overwhelm coastal infrastructure.