Most people are afraid of crocodiles, but it is still important ......(to count/to protect) them.
to protect
a hard thing to do or a problem to solve ..(challenge/failure)
challenge
Conservationists always hope to.....(discover/protecting) new animal populations.
discover
Some sports, like football and car racing, are very hard on a person's______
(mind/body)
body
a long rope or cable that people walk across (line/fine)
line
natural moving air outside (wind/focus)
wind
If no one can...........(solve/unsolve) this problem, we are in serious trouble!
solve
wild animals collectively; the native fauna (and sometimes flora) of a region.(wildlife/wildness)
wildlife
Each year, many people ____(die/lie) trying to climb mountains.
die
a situation involving exposure to danger.(risk/fail)
risk
Many wild animals are in .....(wild/danger) because of the activities of people.
danger
Conservationists often need to.....(counting/count) the number of animals in certain areas.
count
water in mountain that goes down over rocks (wateruns/waterfall)
waterfall
Because Tina's......(minding/mind works very quickly, she does well in school.
mind
Who are you going (to die/to vote) for to win the competition?
to vote
Sailing around the world alone is a great ________(adventure/adventuring)
adventure
Some mountains are very hard to _________ (climb/vote)
climb
It can be difficult to find your way through a ____(forest/goals)
forest
If we don't do something about it, the elephant population will continue to...... (decrease/increase).
decrease
One of the goals of an explorer is.....(to teach/ to learn) about new places.
to learn
It's very ____(difficult/easy) to reach the top of a mountain without help from other people.
difficult
an activity or plan that doesn`t succeed (fail/failure)
failure
Some kinds of ______(dangers/wild) animals are not afraid of people.
wild
something that you look at that pleases you (goals/beauty)
beauty
to think only about the thing you are doing (focus/goal)
focus
a thing given in recognition of one's service, effort, or achievement.(price/reward)
reward