Multiple choice

Fill in the blank (iii).

  1. conservation

  2. evasion

  3. storage

  4. prolongation
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Here, conservation is the correct option as it implies a careful preservation and protection of something (wild animals). Evasion is to evade something; storage is the action or method of storing something for future use. To prolong is to make something last longer or to stretch it out in time.

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