Vocabulary
apparatus
device
peel
subtract
multiply
electric current
switch on
switch off
hand in
elderly
one of these days
busiest tourist season
resort
in session
trade-off
fabulous
company
winding road
nerve wracking
stretch
john
incidentally
rappelling
partake of
treasured memory
itinerary
package tour
assure
ducal
fortification
Pass
biosphere
marine
organism
ore
with respect to
deplete
replenish
fossil fuels
be derived from
biotic
abiotic
avail
acre
site
extraordinary
wilderness
recreation
priority
amusement
conservation
preservation
free enterprise
business interest
span
lumberjack
have one's say in
primarily
extend into
the first of its kind
geothermal
appeal to
geyser
jets of
canyon
mighty
tree-fringed
vast
water meadows
glide
bison
elk
moose
deer
graze
centerpiece
ecosystem
intact
temperate zone
devastate
burn out
tame
comical
mild
rangers
learned question
be qualified to do
spoil
be stuck
rock face
backpackers
the Grand Canyon
regardless of
on the rim
archaeology
call for
versatile
workforce
principal
make concessions to
self-reliant
cable car
precipice
trail
grizzly
ferocious carnivore
tranquillizing dart
fatal
log cabin
a growing rash of
abundant
the reform and opening-up policy
boom
paradise on earth
privilege
primacy
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