Question

which type of matter is commonly found in the universe, but not commonly found on earth?

a   solid

b   liquid

c   gas

d   plasma

Explanation:

To solve this, we analyze each option:

• Option a (solid): Solids are common on Earth (e.g., rocks, metals).
• Option b (liquid): Liquids like water are abundant on Earth.
• Option c (gas): Gases like oxygen, nitrogen are common on Earth.
• Option d (plasma): Plasma is the most common state of matter in the universe (found in stars, nebulae), but on Earth, natural plasma (like lightning is brief) is not as common as the other states.

Answer:

d. plasma