Experts have several theories to explain why people yawn. (2)One explanation is that yawns help boost oxygen levels in the blood. (3)By forcing the body to breathe deeply, yawns increase airflow to the lungs and rush oxygen to the bloodstream. (4)A second theory is that yawns help the body change its level of alertness. (5)It is for this reason yawns happen whether a person is waking up or getting sleepy. (6)Yet another explanation is that yawns, like stretches, give the body exercise. (7)When a person yawns, blood pressure and heart rate gently increase and muscles flex. (8)No matter what the cause for yawning, one thing is clear. (9)Fifty-five percent of the people who read this paragraph will yawn in less than five minutes.

"spring, the sweet " from summer's last will and testament spring, the sweet spring, is the year's pleasant king, then blooms each thing, then maids dance in a ring, cold doth not sting, the pretty birds do sing: cuckoo, jug-jug 1 , pu-we, to-witta-woo! the palm2 and may3 make country houses gay, lambs frisk and play, the shepherds pipe4 all day and we hear aye5 birds tune this merry lay6: cuckoo, jug-jug, pu-we, to-witta-woo! the fields breathe sweet, the daisies kiss our feet, young lovers meet, old wives a-sunning sit, in every street these tunes our ears do greet: cuckoo, jugjug, pu-we, to-witta-woo! spring, the sweet spring! –thomas nashe jug-jug: sound of the nightingale palm: willow may: hawthorn pipe: play a shepherd's flute aye: always lay: song choose the sense that the poet appeals to in the last two lines of each stanza.

Hatchell landscape architecture firm worked on which two of the following projects

Based on her speech in the excerpt ,what can we infer about francesca