What is contributed from the outer space in an ecosystem?

Agriculture Ecology and General Silviculture Mcqs
BILAL KHATTAK0

A.All the atmospheric gases
B.Only carbon, hydrogen and oxygen
C.Energy only
D.All the above components

Related Mcqs:

  1. The most abundant gas emitted from volcanoes is __________?
  2. Biogas is composed of __________?
  3. Which are the four most abundant elements in living cells ??
  4. In a comparative study of grassland ecosystem and pond ecosystem it may be observed that:
  5. When oil and gas resources are burnt they kill many forests and lakes by __________?
  6. Which of the following is incorrect?
  7. The two major consitituents of the sun are
  8. The most abundant gas in the stratosphere is __________?
  9. The source of energy in an ecosystem is __________?
  10. Freon 12 is a compound consisting of stoms of

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