Lernmaterialien für Private an der Royal University of Phnom Penh

3. ______________   ______________: It refers to the circumstance of climate when higher temperatures and heavy rainfall throughout the year experienced by countries near the Equator.

5. ______________   ______________: It refers to the movement of water through a semi-permeable membrane from the concentrated side to the less concentrated side when pressure is functional.

6. ______________   ______________: It refers to the rainforest layer where trees grow up to 50 meters tall or some grow up to 80 meters. The trees have very tall, straight, and smooth trunk with few brunches.

7. ______________: It refers to the process of eliminating dissolved salts and other materials from water.

8. ______________   ______________: It refers to the limited-in-quantity resources.

9. ______________ : It refers to the substances formed from the remains of floras and faunas millions of years ago and can be burnt to produce energy.

10. ______________   ______________: It refers to the cautious management of forests being cut down for commerce.

1.    Which part of the tree grows from 1 to 5 meters above the ground and help to support their heavy weight?

2.    Which kind of flora often gets together to create luxurious carpets of greenery?

3. What is the "smaller stream" of river?