Why does plasma challenge what we know about matter? How does it confirm what we already know?

Plasma is a state of matter that is often thought of as a subset of gases, but the two states behave very differently. ... But unlike ordinary gases, plasmas are made up of atoms in which some or all of the electrons have been stripped away and positively charged nuclei, called ions, roam freely.

Explanation:

Furry feet.

Explanation:

The polar bears are found in the colder regions and there are many adaptations found on polar bears to make their life easier.

The adaptation of the polar bear includes the characters that helps him to survive in cold conditions. The furry body and feet provides him warmth so that he can walk in such a cold climate.