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What are the cold-blooded animals?

Options

  1. AAnimals with blood without haemoglobin
  2. BAnimals who are not ferocious
  3. CAnimals whose body temperature remains constant
  4. DAnimals whose body temperature varies according to the temperature of atmosphere

Correct answer

D. Animals whose body temperature varies according to the temperature of atmosphere

Step-by-step solution

The correct answer is option D.

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