In a study reported by gene koretz inbusinessweek(december 9, 2002). nine- and ten-year old boys and girls ran a short race. there was no significant difference in the average speeds of the children when they ran solo, but when they ran the race again, paired with another child, the boys' speeds, but not the girls', increased. the boys' speeds increased most when theywerepaired on the second trial with a girl. in a brief essay offer a hypothesis to explain this result, and describe how your hypothesis might be (partially) confirmed or disconfirmed.

If the president needed to send two members of the cabinet to italy to negotiate a military treaty, the secretary of defense and the secretary of would most likely be sent.

Morei would really appreciate it. his eyes snapped open. a musty smell flooded his senses. the room was lowly lit, curved with smooth light gray walls. the floor was clear black tiled. he stood up, surprised to see no door, but only a trap door on the ceiling that blended in with the walls. the room was unfurnished, which struck him as strange. as you write and revise, ask yourself these questions: 1. do all of the sentences in this paragraph belong here? (unity) 2. are all of the sentences in this paragraph in the right place? (coherence-- a method of development) 3. are all of the sentences in this paragraph smoothly connected together into a whole paragraph? (coherence--use of transitional devices) once you've made certain that your paragraphs are both unified and coherent, edit your work for problems in grammar and mechanics before submitting it to your teacher.

Based on this map, what can be concluded about the inca empire? (4 points) it was in a highlands region. it was in a mountainous region. it was in the amazon basin. it was in north america.