Consider the two statements:
I. | Moulting may be responsible for 80 to 90% of all arthropod deaths. |
II. | The exoskeleton cannot stretch and thus restricts growth and hence moulting. |
1. | Both I and II are correct and II explains I |
2. | Both I and II are correct but II does not explain I |
3. | Only I is correct |
4. | Both I and II are incorrect |
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