<em>basically im is used for not and here impossible means that anything which is not possible .. here main root or word is Possible because im is only a prefix .. this prefix 'im' changes the meaning of possible and makes it impossible :)</em>
The calf will stay close to the mother for one to two years to learn travel routes and the location of food, rest areas and warm water refuges.
Answer:Theme
Explanation:A theme is a moral or lesson