Which one of the ecosystems Is the largest in the world?

A. forests

B. rivers

C. deserts

D. oceans

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Plantain is
  2. Hormones are carried from their place of production by
  3. Lamarck's theory of inheritance of acquired characters was challenged by
  4. The genetic code DNA is carried from the nucleus to Ribosome by
  5. The normal systolic blood pressure is
  6. Blood plasma from which fibrinogen is removed is known as
  7. Human blood is oxygenated and purified in the
  8. The grouping of blood is based on substances called
  9. Fat present below the skin surface in our body acts as a barrier against
  10. The theory that all animals and plants are made up of cells and they could arise only from pre-existing…
  11. Scrub jungle Is characterised by
  12. Bordetella pertussis causes
  13. Plants grown in darkness show
  14. Blood clot Inside blood vessels is prevented by
  15. If a father has blood group A and the mother has blood group 0, which one of the blood groups may be…
  16. Which one of the following acts as a communication system?
  17. Lizards, snakes, crocodiles and turtles belong to the class
  18. A child goes on vomiting profusely and develops symptoms of diarrhoea. Chances are that in the child's…
  19. The universal donor belongs to blood group
  20. Plant diseases are spread by
  21. Which one is a water-soluble vitamin?
  22. Oparin is known for his hypothesis on
  23. The organ that produces antibodies in our body is
  24. Desert plants are called
  25. The plant cells are surrounded rigidly by
  26. Necrosis is a symptom which is recognised by
  27. Blood of cockroach is
  28. The influenza vaccine was discovered by
  29. Which among, the following is a solid lubricant?
  30. Egg laying animals are referred to as