Lesson 1.4 Earth's Subsystems
10 Questions
| Total Attempts: 40
.
Questions and Answers
- 1.The earth is a closed system.
- A.
True
- B.
False
- 2.Oxygen is the most abundant element present in the atmosphere.
- A.
True
- B.
False
- 3.The geosphere refers to all life forms and organic matter.
- A.
True
- B.
False
- 4.About 30% of the Earth is covered with liquid water.
- A.
True
- B.
False
- 5.Biogeochemical cycles such as hydrologic and carbon cycles exhibit how Earth's four subsystems interact.
- A.
True
- B.
False
- 6.Oceans act as sinks of carbon dioxide.
- A.
True
- B.
False
- 7.A closed system allows the exchange of matter and energy.
- A.
True
- B.
False
- 8.Carbon is stored in geosphere as coal and oil deposits.
- A.
True
- B.
False
- 9.Which of the following subsystems is/are affected after Mt. Pinatubo erupted in 1991?
- A.
Atmosphere
- B.
Hydrosphere
- C.
Geosphere
- D.
Biosphere
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