Practice (Multiple Choice)

1. 1. Resources that are limited and must be saved are
   1. a) unlimited resources
   2. b) natural resources
   3. c) man-made only
   4. d) digital data
2. 2. An economy that protects the environment is a
   1. a) green economy
   2. b) cash economy
   3. c) closed economy
   4. d) barter economy
3. 3. Which helps protect the environment?
   1. a) cutting trees
   2. b) planting trees
   3. c) wasting water
   4. d) more pollution
4. 4. Jobs that protect the environment are called
   1. a) cyber jobs
   2. b) green jobs
   3. c) office jobs
   4. d) factory jobs
5. 5. An imbalance in the ecosystem is caused by
   1. a) planting trees
   2. b) pollution and waste
   3. c) saving water
   4. d) recycling