Задание

Match the words with their definitions.

to swirl

terrestrial

dense

protective

a crust

a mission

liquid

to move quickly with a circular movement

relating to the Earth

containing a lot of matter in a small space

be able to keep someone or something safe from injury or damage

a hard outer covering of something

the action of sending someone to a place to do a particular job

a substance that flows easily and is neither a gas nor a solid