| A | B |
| contentious | dispute |
| perception | understanding |
| abyss | a deep pit |
| glib | speaking to smooth to be believable |
| nomenclature | a typy of writing |
| zeal | excitement or happieness |
| emulate | to imitate or to do the same |
| deluge | a heavy dounpour |
| virologist | one who studies viruses |
| strains | new organisms of the same species that have distinctive characteristicts |
| scourge | a source of widespread suffering and devastation |
| aquatic | living in or near water |
| propel | to cause to move forward or onward |
| hearty | strong and full of life |
| variant | something that differs slightly in form from something else |
| igniting | setting off |
| complacency | lack of concern |
| narration | provides an anecdote or story |
| description | provides a mental picture of the main idea |
| examples | answers why,how,who,what,where,and when |