People are very interested in the flowers because they are produced so _____________.
hardly
slightly
lately
rarely
15
Scientists wanting to study the plant need to _____________ out their research before the flowers disappear again for another ten years.
take
start
carry
find
15
The tallest trees in the world are called redwoods and they can ____________ reach heights of around 91 metres.
obviously
easily
clearly
luckily
15
One tree was discovered and measured in 2006. The National Park Service then ________________ that at 115.7 metres, it was the tallest tree in the world.
answered
announced
spoke
told
15
The exact _____________ location of these trees is kept secret.
point
destination
route
location
15
It's kept secret to prevent the trees from being ______________.
injured
worn
wasted
damaged
15
A _______________ redwood tree lives for 500 to 700 years, although some have been found that are more than 2,000 years old.
usual
familiar
general
typical
15
The National Park Service says that the redwoods' great height is _____________ due to the climate in California.
