Answer
D
Explanation:
They take up usable forms of nitrogen found in soil
Answer: Strong acid vs weak acid
Strong acids and strong bases refer to species that completely dissociate to form ions in solution.
Explanation: By contrast, weak acids and bases ionize only partially, and the ionization reaction is reversible. Thus, weak acid and base solutions contain multiple charged and uncharged species in dynamic equilibrium.
It would be an physical change ; if you melt butter the butter goes from a solid to a liquid so therefore the physical state is changed.
