Bicycle helmets reduce the risk of serious head injury in a crash. A helmet should sit level on the head and fit snugly, with the strap fastened under the chin. How should a helmet sit on the head?
Carrots grow underground. The part we eat is the root, which stores food for the plant. Carrots are rich in vitamin A, which is important for eyesight. Which part of the carrot plant do we eat?
The Great Wall of China is not a single wall. It is a series of walls built over many centuries by different rulers to protect against invasions. Why was the Great Wall built?
“When you have a cold, the lining of your nose swells and makes more mucus. This is why your nose feels blocked.” What causes the blocked feeling in your nose?
“When you exercise in hot weather, your body sweats to cool down. If you do not replace the lost fluid, you can become dehydrated, which may cause dizziness and headaches.” What is the main point of the passage?
“Ms. Brown reminded the class that the library books were due back on Monday. On Monday morning, half the class arrived without their books.” What can be concluded?
“Maya had moved schools four times in six years. On her first day at the new school, she didn’t unpack her locker. ‘No point,’ she told herself.” Why most likely did Maya not unpack?
Medicine schedule: “Tablet A: every 12 hours. Tablet B: every 8 hours.” Both are first given at 8 a.m. At what time will both tablets next be due together?
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