A hole in the ground

What you can do with cardboard

A book topic

What do people do on the news

A person who is skilled at typing

What does it mean to make pure

What is a piece of a homogeneous solid substance

The branch of science concerned with the nature and properties of matter and energy.

a set of things working together as parts of a mechanism or an interconnecting network

a room or building equipped for gymnastics

the fact of being young

A sign of existence of something, especially of an undesirable situation

to carry people or goods from one place to another

You spell it like: regression

You spell it like: progess

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