1. 4.7C
Identify and classify Earth’s renewable resources, including air, plants, water, and animals; and nonrenewable resources, including coal, oil, and natural gas; and the importance of conservation.

2. Which of the following is not true about soil?
Soil is a complex mixture.
B. Soil anchors plants by their roots.
C. Soil provides nourishment to plants.
D. Soil is an artificial resource.

3. Correct Answer Choice:
D. Soil is an artificial resource.
Soil is classified as a natural resource because it is provided by nature.

4. Incorrect Answer Choices:
Soil is a complex mixture of mineral particles, humus, mineral salts, water, air, and living organisms.
Plants fix into soil by their roots.
C. Water and dissolved mineral salts are provided to plants through roots.

5. H. Sunlight J. Wind Which of the following is a nonrenewable resource?
F. Water G. Oil
H. Sunlight
J. Wind

6. Correct Answer Choice:
G. Oil
Oil is a fossil fuel which is
nonrenewable.

7. Incorrect Answer Choices:
F. Water can be classified as a renewable source as it continues to be produced through the water cycle.
H. Sunlight is considered a renewable resource in terms of human life.
J. Wind is also classified as an renewable resource.

8. Rocks, soil, water, and gases in the atmosphere are examples of
A. resources
B. fuels
C. minerals
D. forces

9. Correct Answer Choice:
Resources
A resource is any available means used by humans to meet their needs.

10. Incorrect Answer Choices:
B. Rocks, soil, and water are not fuels, although moving water can generate power.
C. Rocks, soil, and water may contain minerals, but they are not examples of minerals.
D. A force is a push, pull, or lift.

11. B. Soil C. Water D. Natural gas A. Sunlight
Hydro power is used to generate electricity. Hydro power is dependent on which resource?
A. Sunlight
B. Soil
C. Water
D. Natural gas

12. Correct Answer Choice:
C. Water
Hydro power is the generation of electricity by using the force of falling water.

13. Incorrect Answer Choices:
A. Sunlight provides solar power.
Soil is not used to generate electricity.
D. Natural gas is a fossil fuel, but it is not related to “hydro” which means “water.”