Hawaii Water and Ecosystems

What is an important freshwater source stored within Hawaii’s volcanic rock?

• Frozen seawater
• Molten magma
• Ocean tides
• Groundwater

Why can heavy rain lead quickly to flooding on steep Hawaiian slopes?

• Water flows uphill instead of downhill
• The mountains absorb all runoff instantly
• Runoff can move rapidly downhill
• Steep valleys have no streams

What ocean change can stress Hawaiian coral reefs?

• The disappearance of the moon
• Normal daily sunrise
• Movement of clouds inland
• Unusually warm water

Which human-made features can be threatened by coastal erosion?

• Only inland mountain summits
• Satellites in orbit
• Shoreline roads and buildings
• Underground tectonic plates