Introduction to Environment & Ecology

31. The loss of the ozone layer is primarily caused by the release of:

a) Carbon dioxide

b) Nitrogen

c) CFCs

d) Methane

32. The term “ecosystem” refers to:

a) A single organism

b) A community of organisms

c) A specific location on Earth

d) A system of interacting organisms and their environment

33. Which of the following is an example of point source pollution?

a) Climate change

b) Acid rain

c) Oil spill

d) Deforestation

34. Which of the following is NOT a renewable energy source?

a) Solar power

b) Wind power

c) Nuclear power

d) Hydropower

35. The process of converting waste materials into reusable materials is called:

a) Recycling

b) Composting

c) Incineration

d) Landfilling