Answer the following questions in the essay box. Describe what happened to each marker line. Draw each filter strip.
Were any of the markers pure colors? If so, which ones?
How do you think the experiment could be changed to separate
non-washable markers?
Mixtures

trachea, alveoli, lung capillaries, arteries

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 . : ) : ) : )