1.The Venn diagram above compares chemical changes to physical changes. Which does NOT belong at R?A)change in color B)change in density C)change in shape D)change in state of matter

Which of the following describes classical civilizations? they grew slowly and had a very short lifespan. they were unable to carry out long-distance trade. they made lasting impressions in art and architecture.

Why did working women earn one-thrid to one-half as much as men

Did egypt invent wheels or sailboats