14. compound
15. the concentration cannot be increased.
16. heterogenous mixtures
17. chocolate chip cookies
18. vegetable soup
19. a mixture is a pure substance a compound is not
20. Tastes sour
It is the presence of oxygen-bound hemoglobin that makes it bright red
Lisa and Shirley, because upbringing has more of an impact than genes
I think that people have lost their jobs because of an increase of computers