Answer: b. Fast-moving, hot lava.
Step-by-step explanation:
- A lava flow is the outpouring of the lava which is formed due to a non-explosive eruption which is effusive in nature.
- The word Pahoehoe is derived from a Hawaiian word which means smooth and unbroken.
- Pahoehoe is a type of lava flow which is fast-moving and hot.
- This type of lava flow is characterized by low viscosity and a smooth flow which looks like rope coils.