D the lunar eclipse, im pretty sure is correct
The chromatography is the technique of separation of the components from a mixture. The chromatograph is referred to a visible record of the result of the chromatography.
The mobile phase is referred to the gas or the liquid which flows with a different rate on the stationary phase. The mobile phase carries the components of the mixture. It is important for the separation of the components present in the mixture.
The excessive use of water for irrigation in dry climates, with heavy soils, causes salt accumulation because they are not washed out by rainfall. The practice of waterlogging without adequate drainage has also become a serious cause of soil salinization .
Answer is D. When the concentration of the substance is lower outside he cell than inside the cell.
B I’m not sure but that’s the best answer I can think of:)