1. Our planets is an astonshing place and full of .breathtaking. beaty

2. I'm interest in..preservation. of coastal rain forests ecosystems

3. My class is going on a one-day...excursion. to the Grand Canyon

4. Son Doong contains some of the tallest known.. stalalgmites..in the world, which are up to 70 metres tall

5. He had made an..expedition.. to Spain to study wild plants

6. We were impressed by the plender and...magnificence.of the Pyramids

7. Could space tourism become ...affordable.. within a decade

8. Madagascar is one of the most ..exotic.. places in the world, in its plants and animals found nowhere else on the earth

9. Isle Royale national park is located in lake superior,....inaccessible. except by boat or seaplane

10. Isle Royale National Park is located in Lake Superior, reasonable expect by boat or scaplane