In the first chapter, Percy dreams that his friend Grover is hiding from a monster. Based on what you learn later in the story, who or what is this monster?

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were a wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.

The dogs created when they pulled the christmas tree down and started eating the candy canes.

Answer this correctly what is the cause and effect