Would it be right to give a person an iv therapy of distilled water

No. The IV will be hypotonic compared to the cell cytoplasm causing the cells to explode. Because the IV doesn't have any other nutrients or constituents, it is less concentrated than the cell. The cell cytoplasm absorbs the water to try to adapt to this change, however the cell will eventually become swollen and explode.

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.