Read about national parks.Choose the correct word (a, b, or c)

Read about national parks.
Choose the correct word (a, b, or c) to fill each gap (17). There is an example (0) at the beginning.
National Parks are special places on (0) Earth . They (1)_____________a large
area. Some parks (2)_____________mountains and rivers. Others (3)_____________
homes for plans and animals. A lot of people visit national parks every year. Some choose the closest park, others go to the places that
are (4)______________away. But in every park
the (5)______________ is very special. People
learn about the important role of each bird, tree
and flower in the (6)______________. They also
learn the importance of protecting
(7) ______________, because some animals and
plants may (8) ______________if they are not
protected. It is good when people are (9) _ _ about nature around them.
0 ;a) Earth , b) world , с) nature
1 a) appear , b) cover , с) support
2 a) protect , b) discover , с) help
3 a) appear , b) cover , с) provide
4 а) over , b) far , с) through
5 a wildlife b pollution с air
6 a Earth b nature reserve с environment
7 a ponds b nature с babies
8 a disappear b disturb с destroy
9 a close b in charge с concerned