Fixes for Ch02 and Ch03 (typos and other stuff)

immediatley -> immediately
Sep -> September
facinating -> fascinating
corrent -> correct
goverment -> government
enviornment -> environment
adress -> address
impedence -> impedance
indepdently -> independently
consistecy -> consistency
controtions -> contortions
projcet -> project
entirity  -> entirety 
compotent -> competent 
ridiciously -> ridiculously
Registery -> Registry
alogirthms -> algorithms 
indepndent -> independent
assoications -> associations
strucured -> structured 
tranction -> traction
techincal -> technical