Poole said that the person in the laboratory O stopped the servants from working
O was strange, but pleasant
O was a visiting scientist
O wanted certain chemicals

Study the editorial cartoon mars probe by mike keefe. how does the alien with the baseball bat contribute to the effectiveness of the political cartoon? it suggests that aliens are like people because they play baseball, a human sport. it uses humor to show that unknown factors keep damaging the probes humans send. it shows how to cope with the surface of mars, which is rocky and full of craters. it exaggerates the size of the bat in relation to the mars probe in the cartoon.

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.

What is the italicized part in the sentence , all of the operators are efficient.