1.    a

 

2.    b. No matter how hungry you might feel!

 

3.    c.

 

4.    c. The tops of hills are too exposed, and valleys are liable to flooding

 

5.    b. The static electricity in your hair will dry them out. (Unless you have very greasy hair)

 

6.    a. A smell of peaches indicates hydrocyanic acid which is poisonous.

 

7.    c.

 

8.    b.

 

9.    b.        

 

10.    c.

 

11.    b.

 

12.    a. Thinking positive can save your life