_________ ecosystems are maintained artificially by man.
A. Man-made
B. Marine
C. Artificial
D. Brackish
Answer: Option A
Solution(By Examveda Team)
Artificial ecosystems are maintained artificially by man. A pond constructed as a part of wastewater treatment plant is an example of artificial ecosystem. In these types of ecosystem, the only source of power is solar energy.This Question Belongs to General Knowledge >> Environmental Science
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What is the cause of the Exxon Valdez?
A. Oil Tanker which sank in 1989 along the coast of Alaska and marine life seriously affected.
B. a plane which crashed and caused death of human life
C. a ship which wrecked on the coast of India
D. none of these.
A. A much higher temperature than -10o C
B. A much lower temperature than -10o C
C. A temperature of -10o C
D. A temperature of -30o C
Infrared and visible satellite images might provide:
A. A way of determining cloud thickness and altitude.
B. A way of distinguishing between wet and dry clouds.
C. A way of identifying clouds suitable for cloud seeding.
D. A way of distinguishing between "new" and "old" clouds.
In description artificial has been written but in ans man-made has given so which one is correct?????
Artificial or man made ?
What's mns of artificial ecosystem