Part II. TRUE or FALSE. Write EU if the statement is TRUE and PRO if it is FALSE.
1. Earth receives enough energy to allow water to exist as a liquid on its surface.
2. Young Earth had plants that filled the atmosphere with oxygen making way for animal life.
3. Earth has liquid water on its surface in an amount conducive to life.
4. Open system is a system in which there is only an exchange of heat or energy and no
exchange of matter.
5. The biosphere is part of the geosphere made up of land forms.
6. The geosphere includes everything that looks like solid ground including ocean floor, sand
the deserts, mountains and every bit of land.
7. Water exists in the atmosphere in the form of water vapor/gas.
8. The frozen part of the hydrosphere is known as cryosphere.
9. Plants also release water vapor to the atmosphere through transpiration.
10. Mantle has two parts: the thin and less dense upper portion, also called asthenosphere,
the denser and thicker lower portion.
11. The crust has two layers: continental crust and oceanic crust.
12. Every cell in living organisms is built up of about 70% of water.
13. Water can also be used for transportation, agriculture and tourism business.​