What are the coordinating conjunctions?
Oceania

Tell me about the fall of communism.
In 1989, the communist dictators began to fall in Eastern Europe when Soviet General Secretary Gorbachev refused to send them military aid.
Commutative Law
The Commutative Law for addition states: a + b = b + a
The Commutative Law for multiplication states: a x b = b x a
What are some ways light is observed?
reflection
refraction
spectrum
wave
particle