an o---al is a difficult or unpleasant experience.

When ice changes to water it m---s. Another verb with a similar meaning is th-w

A s---e is a surface or piece of land that is higher at one end than at the other. A piece of land that is much higher at one than another can be described as st--p

A verb which means to become quieter or calmer, for example after a storm is s-bs-de

A baby cow is called a ca--f, whereas a baby bear is called a c--

Animals such as cows, buffalo and caribou travel in groups called h--ds. A group of birds, ont he other hand, is called a fl---. A group of wolves is called a p--k

A verb that means to come out of a dark, enclosed or hidden place is to e---ge. The noun form is e---ge---

To run faster than something is to o--r-n it.

When animals mate and produce young, they b---d

When an animal such as a bear or rabbit spends the winter in a state of deep sleep, they h-----ate the hidden home of some types of wild animal, such as a bear or lion, is called a d-n

An animal that is hunted, killed and eaten by another is called p--y. The animal that hunts, kills and eats another animal is called a p-----or.

w--- is an adjective meaning living or growing in natural conditions; not kept in a house or on a farm. The noun form, meaning a large area of land that has never been developed or used by people, is w---------.