Chapter 4.3 Renewable And Nonrenewable Resources

Question 1

Define renewable resource.

Answer 1

1. Resources that can regenerate if they are alive.
2. Resouces that can be replaced by biogeochemical cycles if they are non-living.
3. They are not necessarily unlimited.
4. They can easily become limited by overuse

Question 2

What are two examples of renewable resources?

Answer 2

Trees

Water

Question 3

Define nonrenewable resource.

Answer 3

Resources that cannot be replenished by natural processes

Question 4

What are four examples of nonrenewable resources?

Answer 4

Fossil fuels
Coal
Oil
Natural gas

Question 5

What is sustainable development?

Answer 5

A way of using natural resources wthout depleting them or causing long-term environmental harm

Question 6

What are the five resources discussed in class?

Answer 6

Land
Forest
Fishery
Air
Freshwater

Question 7

What type of resource is land?

Answer 7

Soil is renewable

Question 8

What type of resource is forest?

Answer 8

Some are renewable and some are non-renewable.

Question 9

What type of resource is fishery?

Answer 9

Renewable, but now loss of species

Question 10

What type of resource is air?

Answer 10

Renewable

Question 11

What type of resource is freshwater?

Answer 11

Renewable, but limited

Question 12

What is the issue with land?

Answer 12

Plowing land removed roots that held soil in place increasing soil erosion. Losing topsoil turns once productive areas into deserts.

Question 13

What are the issues with forests?

Answer 13

Deforestation leads to soil erosion preventing regrowth of trees.
Old-growth forests take centuries to grow back.
Logging causes loss of species.

Question 14

What is the issue wth fishery?

Answer 14

Overfishing between 1950-1990’s.
Fish caught went from 19 million tons to over 90 million tons.
Species began to shrink.

Question 15

What are the issues with air?

Answer 15

Smog from automobile exhausts and industrial emissions.
Burning of fossil fuels release pollutants causing health problems after long exposure.
Acid rain.

Question 16

What are the issues with freshwater?

Answer 16

Pollution threatens water supplies.
Improperly discarded chemicals, land-fills seep into groundwater.
Sewage is untreated.

Question 17

What sustainable developments help protect land?

Answer 17

Contour plowing reduces erosion

Leaving stems and roots

Question 18

What sustainable developments help protect forests?

Answer 18

Forest management

Tree farms

Question 19

What sustainable developments help protect fishery?

Answer 19

Guidelines for commercial fishing

Agricultural raising fish to eat

Question 20

What sustainable developments help protect air?

Answer 20

Emission control standards
Clean-air regulations
Electric cars

Question 21

What sustainable developments help protect freshwater?

Answer 21

Water conservation

Water treatment plants

Question 22

How do sustainable use programs protect ecosystems?

Answer 22

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