Drinking enough water helps the body control its temperature. Water also carries nutrients to cells and removes waste through the kidneys. Many adults need about two litres of fluid a day, and more in hot weather. According to the passage, how does water help remove waste?
Seahorses are unusual fish. The female lays her eggs in a pouch on the male’s belly, and the male carries them until they hatch. Which seahorse carries the eggs until they hatch?
Dentists advise brushing your teeth twice a day for about two minutes with a fluoride toothpaste. Flossing once a day cleans between the teeth where a brush cannot reach. Why should people floss?
“The coach had a rule: no phones at practice. When Jamie’s phone buzzed during drills, the coach simply held out his hand.” What did the coach most likely want?
The river flooded after a week of heavy rain. Water covered the main road, so the town closed it and set up a detour through the hills. What caused the town to close the main road?
“Remember to take your medicine,” Mr. Okafor’s daughter called as she left. He nodded, but an hour later the pill was still on the kitchen table next to his untouched glass of water. What can you infer?
“By the time the ambulance arrived, a bystander had already started chest compressions and someone else had fetched the defibrillator from the lobby.” What does the passage suggest about the bystanders?
“The children’s faces fell when the teacher announced that the zoo trip had been cancelled. Then she smiled and said, ‘Instead, the zoo is coming to us!’” How do the children’s feelings most likely change?
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