A) foods are physically broken down into smaller pieces!
your mouth brakes the food into small pieces and is the main part but chemical reaction also occurs,
the saliva in your mouth helps you swallow the food easily!
just imagine eating your food dry like doritos that will hurt! your saliva makes it a lot easier and painless!
Answer:
D) bacteria
Explanation:
Antibiotics can kill certain bacteria, but sometimes it's better to just let the bacteria run its course and let it die out on its own. It should be noted, that with our mass usage of antibiotics, certain bacterias have developed a resistance against antibiotics and that is not good at all.
Answer:
um we need a picture of Section 5 in your textbook
a physical or biochemical abnormality that is present at birth and that may be inherited or the result of environmental influence.