The universal answer given to the question 'Why do large animals have lungs, gills, or other structures specialized for gaseous exchange while smaller animals manage by diffusion?' is that the larger an organism the smaller its surface area to volume ratio. This argument makes two implicit ...
Some are classified as bonds (ionic, covalent, metallic) as they involve the sharing or exchange of valence electrons. Others are simply attractive forces between one molecule and another but do not involve the sharing or exchange of electrons. Key TermsAtoms: Atoms are the smallest unit of...
but when you pour a liquid at a higher temperature over the ice, something unusual begins to happen. As is true in every system, the temperatures of the two substances will begin to equalize, i.e., the ice will begin to warm up and melt, while the liquid...