Biology help.. please help!!!!

Question

Tooth decay is caused by a bacteria.

True

False

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Question 7 (True/False Worth 5 points)

The common cold is caused by a bacteria.

True

False

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Question 8 (True/False Worth 5 points)

Using soap is important when washing your hands. It helps to get rid of bacteria and other microbes.

True

False

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Question 9 (True/False Worth 5 points)

Protista are ecologically important because they process nitrogen through nitrogen fixation.

True

False

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Question 10 (Multiple Choice Worth 5 points)

Bacteria are _________________ and _________________.

multicellular, prokaryotes

unicellular, prokaryotes

multicellular, eukaryotes

unicellular, eukaryotes

please make my day!.. I just donno this ones!

thanks..

Yhe ones that answer will get points! (:

Answer 1

1.  True

7.  False; the cold is caused by a virus

8.  True

9.  False; bacteria fixation involves bacteria, not protists

10.  unicellular, prokaryotes

Answer 2

1- True

2- False

3- True

4- True

5- Unicellular, Prokaryotes