Now, we're currently in between with almost all the communist/republican countries.
Ever since Donald trump came in president. Things got a bit rough with China and the U.S
There might be a war soon WWIII.
Answer: W
Explanation:
The cell in liquid W will look the smallest out of the four because of Osmosis.
Osmosis is a process by which water molecules move from an area of relatively higher concentration of water to an area with a relatively lower concentration through a selectively permeable membrane(cell membrane).
With W being saltier than the cell, water molecules will move from the cell to liquid W to balance the concentrations inside and outside the cell which will lead to the cell in W being smaller.
1.54 x 10^-10 (ten to the negative tenth power)
"Caesium" is the strongest reducing agent in Periodic table.
Hope this helps!