Other uses. 1  Copper acetoarsenite was used as a green pigment known under many names, including Paris Green and Emerald Green. It caused numerous arsenic poisonings. 2  Arsenic is used in bronzing and pyrotechnics. 3  As much as 2% of produced arsenic is used in lead alloys for lead shot and bullets.
The main source of energy in the water cycle is the sun/Solar radiation (sunlight). the source of energy that drives the water cycle is the sun because since the sun's heat makes the water evaporate which will led to the whole process of the water cycle and the process will keep on repeating.
In general, water harvesting is the activity of direct collection of rainwater. The rainwater collected can be stored for direct use or can be recharged into the groundwater. Rain is the first form of water that we know in the hydrological cycle, hence is a primary source of water for us. Rivers, lakes and groundwater are all secondary sources of water.