On the whole monkeys that faced one or two stressors (groups 2 and 3) clung less to their mothers than those in the last two groups. They also readily explored their new surroundings. In general, they showed less anxiety than both the no-stress and high-stress groups. Why did the author include this paragraph?

When you wear your earbuds while working out, your sweat damages them and they die sooner

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 words screaming and rushed in the passage suggest which tone in the story the metamorphosis a.) tense b.) positive c.) fun d.) formal