6. Hepatitis B
7. Sexually transmitted disease
8. Live-virus vaccine
9. Prevent the disease outbreak from occuring 10. False
Pasta and rice can be preserved for a really long time as well as beans if not cooked so i would say the answer is B.
Unexpected means it was something you did not "expect" to happen such as a car crashing into you which means this is wrong.
Unfair is any injury.
Unnecessary means it was never needed and could have been prevented/not done therefore unnecessary is the best term.
