1. What does destruction refer?

155. What is not the principle of rational nature management?
A) scientifically based transformation of nature
B) restoration of natural objects
C) restoring the dynamic balance of nature
D) improving the quality of the environment
E) maximum use of natural objects
156
. Choose the correct determination for the term of “biosphere”
A) Life spreads in the water
B) The layer of life on Earth
C) Layer where life spreads in the atmosphere
D) Only abiotic components
E) Only biotic components
157. Choose natural resources that can be considered as main limiting 
environmental factors for living organisms.
A) fuel resources
B) food resources
C) ore resources
D) minerals
E) mineral resources
158. The 
type of anthropogenic landscape with buildings, streets, parks is…:

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A) urban landscape
B) technogenic landscape
C) recreational landscape
D) historical landscape
E) local landscape
159. What are natural sources of air pollution?
A) wind erosion, forest fire combustion products, volcanic dust
B) waste products of plants, gases of volcanic origin, emissions from chemical plants
C) urban vehicles, construction materials production, water erosion
D) animal waste products, emissions from mobile sources, volcanic gases
E) space dust, power plant emissions, forest fires
160. The availability of most natural products (i.e. goods) is in decline due to:
A) Habitat conversion
B) Over-consumption
C) Climate change
D) Water pollution
E) Technology replacement
161. Which of the following symbiotic relationships is considered parasitic?
A) Tapeworm in an intestinal tract
B) Pilot fish swimming under sharks
C) Birds eating the insects from the back of a hippopotamus
D) Male bull sea lions fighting for beach master dominance
E) Bees transporting pollen from flowers