Alcohol has one O–H bond which is polar, but a large portion of the molecule is made up of C–H bonds which are nonpolar. Alcohol molecules do not attract each other as strongly as water molecules and ...

The paper clip is on the water but is not floating like a boat which is less dense than water. The paper clip is more dense than water but can rest on the surface of the water because of the water's ...

The left-hand panel shows the surface topography of Mars’s south pole, with the outline of the south polar cap in black ... the inferred subglacial water. The ice in the region is around ...