crossword puzzle

2. A point of congestion or obstruction that slows down a process or flow
3. Long life or the duration of a thing's existence or usefulness
6. The state of owning or having control over something
9. The repeated exercise of an activity to acquire or maintain proficiency
12. To raise something to a higher standard typically by adding or replacing components
13. Parallel to the plane of the horizon level and flat in direction
14. A young person in the transitional stage of development between childhood and adulthood
17. To carry out a systematic or formal inquiry to discover and examine facts
18. Extremely bright impressive or skillful so as to overwhelm or awe
19. Adequate in quantity or quality to meet a need
20. The act of overseeing and directing an activity or the people performing it

1. A paid public announcement promoting a product service or event
4. A spoken or written account of connected events a story
5. An abstract idea or general notion representing the fundamental characteristics of something
7. To care for support and encourage the growth or development of someone or something
8. Lasting for only a limited period not permanent
10. A taxonomic classification ranking below species denoting a geographically isolated population
11. A formal meeting for discussion or consultation often involving many participants
15. A class or division of things sharing common characteristics
16. To stop the continuous progress of an activity or process by causing a break