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