relatively fluid and low viscosity highly viscous and relatively cool mix of hot gas and rock shards mainly water vapor and large boulders
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Hawaii is composed mainly of volcanoes with gentle slopes and large surface areas. Which characteristics best describe the lava these volcanoes have released?
Possibilities:
- relatively fluid and low viscosity
- highly viscous and relatively cool
- mix of hot gas and rock shards
- mainly water vapor and large boulders

relatively fluid and low viscosity