Human impact on desert areas is mainly due to which one of the following factors?
A) introduction of alien species
B) roads and highways
C) transport of water to deserts
D) None of these statements correct.
Correct Answer:
Verified
Q9: Which of the following is NOT true
Q10: Human impact on temperate forests include
A)farming.
B)logging.
C)population centers.
D)All
Q11: Oceans cover approximately
A)40% of the earth's surface.
B)50%
Q12: The two major factors influencing vegetation in
Q13: What is the dominant organism colonizing bare
Q15: In desert biomes,flowering usually coincides with
A)moisture availability.
B)Santa
Q16: Which biome is characterized by tree frogs,large
Q17: Which group of organisms forms the base
Q18: Which of the following is NOT a
Q19: Savannas are found in
A)Europe.
B)tropical parts of Africa.
C)Canada.
D)None
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