vocabulary

1. Percussion- the sharp striking of one thing against another

2. Perennial- lasting for an indefinitely long time 

3. Permeate- to penetrate through spaces; to spread throughout


4. Persevere- to hold fast to a task or purpose despite handicaps or obstacles.


 5. Defer- to postpone; delay

6. Dilatory- tending ti delay or postpone

7. Elation- excited feelings to pride

8. Infer- to use available evidence to form a conclusion.