They’ll have moved the farthest, since the solvent is best at carrying those kinds of materials.
KCI is not a covalent compound, it is an ionic compound.
A covalent compound is one in which each of the atoms involved contribute a specific number of electrons for sharing in order to from stable compound while an ionic compound is a compound formed when one atom donates electron to the other atom in the compound, in order to attain stability. The compounds given in options A, B and D shared electrons while in KCl, potassium donates an electron to chlorine.
Lower fertility and longer lifespans steadily increased the potential labor force relative to the total population
Number 3 i think is <span>d.heat moves from an object of higher temperature to an object of lower temperature</span>
