Answer: I believe it would be using group input to discuss and prepare preliminary designs
Explanation:
The heat energy that causes most of the water evaporate on the surface of the Earth is the Sun. Which provides earth most of the thermal energy into the hydro-thermodynamic system on Earth.
{{Sun}}
The salt will dissolve in the water :D
Lignite
This is the softest, youngest, and wettest rank of coal, often referred to as "brown coal" with a carbon content of only 25-35% and correspondingly lower energy content.