Water is the most abundant molecule in the Earth’s atmosphere is false.
When red blood cells are in a higher concentrated solution, water flows out of the cells faster than it comes in. This results in crenation or shrivelling of the cell.
Benedict's reagent is solution of copper sulfate,sodium carbonated,and sodium citrate
I'd go with 'the cells won't be able to produce energy' since oxygen is crucial for cellular respiration and cellular respiration is what releases energy!
Hope it helps! <3
