2. Contrast the effectiveness of the two solvents. For the inks investigated, was a better solvent than .

13) a 14) a15) b16) i don't know sorry17) a (maybe)

The answer is b electromagnetic i believe, i hope i ya out!

The surface of the water droplet is held together by the attraction between molecules. in order for water to flow more easily into these small spaces, you need to decrease its surface tension. you can do this by adding soap, which is a surfactant (a material that decreases the surface tension of a liquid).