A word that take the place of a noun

Lines in the same plane that never intersect

The closest planet to the sun

What are the first 10 amendments known as

Facts, examples, reasons, or descriptions that expand on the central idea

The formula y=mx+b

Which mineral is essential to our bones

The writer of the "Social Contract"

A word that imitates the sound it represents

A negative plus a negative equals ___

The layer of mixed gases surrounding the Earth

Who came up with the idea of "Separation of Powers"

A story the is told by one of the characters and uses words like I, we, and my

The number that starts with 3.14 and continues endlessly called

What describes direction and magnitude

What treaty ended World War 1

The words within the passage that come before or after a certain word - used to provide clues for the meaning.

Numbers that can be written as a ratio or fraction

The green pigment that absorbs the sun's energy

The trade route of the triangular trade