There no aliens they called creatures because if you says aliens it's a monster. we called them aliens because they become in other planet, but if we go to other planet we are a aliens to there eye bec. they don't know who we are. also as we doesn't know them so we called them alien. we create by god and they create with there god.
Cohesion and surface tension. the cohesive forces between molecules in a liquid are shared with all neighboring molecules. those on the surface have no neighboringmolecules above and, thus, exhibit stronger attractive forces upon their nearest neighbors on and below the surface