Bases release OH- ions in solutions, whereas Acids release H+ ions in solutions
The gene pool. This is the series and combinations of genes in the environment. This can affect the human adaption of the environment and how they cope up with the species living with them. They interact with them in a way that the species can affect one another,
A mosquito bite, human response to smack their arm as a way of trying to defend
What about it?
Tell us more