1. What does destruction refer?

105. Bacteria decomposing waste is an example of what type of ecosystem service?
A) regulating
B) economic
C) provisioning
D) supporting
E) biological
106. Matter can recycle through the biosphere because:
A) matter is passed out of the body as waste
B) biological systems use matter and energy
C) biological systems use only carbon, oxygen, hydrogen, and nitrogen
D) matter is assembled into chemical compounds
E) biological systems do not use up matter, they transform it
107. Which term determines the allowance range of the environmental factor?
A) optimum zone
B) lethal zone

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C) tolerance zone
D) maximum zone
E) normal operation
108. Environmental audits must be ___________ in order to be successful.
A) Feasible, secure, ceasing, independent
B) Independent, objective, credible, transparent, regular and ongoing
C) Independent, private, non-regular, feasible
D) Subjective, private and for the short-time period
E) Credible, ceasing, transparent, objective
109. Choose the point human factor influencing on water quality.
A) Recreation activities
B) Hazardous waste facilities
C) Urban runoff
D) Agricultural runoff
E) Fugitive gases from traffic jam
110. As a result of burning fuel and transport through nitrogen and sulfur oxides, 
the following environmental crisis is observed____.
A) acid rain
B) greenhouse effect
C) the screw
D) the origin of the ozone hole
E) flaven
111. Choose incomplete ecosystem
A) Grassland
B) Savanna
C) Tundra
D) Freshwater
E) Cave
112. Wild species that is still abundant in this natural range but declining in 
numbers are called:
A) Threatened species
B) Extinct species
C) Vulnerable species
D) Endangered species
E) Rare species