<em>knee is a joint...
knee caps are made up of cartilage ,, so it is connective tissue...
</em>
The answer is B. chemicals.
the reason its b is because A= bacteria but u have to clean the bacteria in the water so its not A and its not c. becouse that will be just turning the ice into water .so the answer is b. becouse we use chemicals everyday to get rid of bacteria and waste
the flu is ten times worse than a cold. A cold is just like mucus and things in that region. The flu makes you weak and messes with you system becuase some of you're white blood cells are either weak or your immune system is (That's how you catch it too) anyways after you get over you flu it strengthens the.