It shows the magnet pole reversals over time. The rocks show magnetic reversal because the magnetic north pole shifts periodically and the newly formed rocks indicate this change. The newly formed rocks happen along the

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )

i would answer but it has no question attached to be answer sorry kido