A light-year is how astronomers measure distance in space, hope this helps ^^
The action by which a fluid enters the microhematocrit tube because of the attraction between the fluid and the tube is called capillary action.
Water is the universal solvent.
water is called the "universal solvent" because it dissolves more substances than any other liquid and is found as a solvent in a variety of solutions.
In a discrete water molecule, there are two hydrogen atoms and one oxygen atom<span>. Two </span>molecules<span> of water can form a hydrogen bond between them; the simplest case, when only two </span>molecules<span> are present, is called the water dimer and is often used as a model system</span>
