Sharks have lived in the oceans for millions of years. Unlike most fish, their skeletons are made of cartilage, the same bendy material found in your nose and ears. What are shark skeletons made of?
- AScales
- BHard bone
- CThin shell
- DCartilage
Sharks have lived in the oceans for millions of years. Unlike most fish, their skeletons are made of cartilage, the same bendy material found in your nose and ears. What are shark skeletons made of?
Kai wanted to bake bread. He mixed flour, water, yeast and salt. He left the dough to rise for an hour. Then he shaped it into a loaf and baked it. What did Kai do after the dough rose?
“The sun was setting over the desert, and the camels rested near a small pool of water surrounded by palm trees.” What is the setting of this sentence?
“The nurse spoke softly, held the boy’s hand and explained each step before she gave the injection.” Which word best describes the nurse’s manner?
“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?
In the 1840s, the doctor Ignaz Semmelweis noticed that many mothers died after childbirth in wards where doctors came straight from performing autopsies. When he required doctors to wash their hands in a chlorine solution, the death rate dropped sharply. What does the passage suggest?
The author writes: “Since the town banned plastic bags, litter on the beach has fallen. Therefore, the ban is the only reason the beach is cleaner.” What is the main weakness of this argument?
“Sugar-free drinks are often advertised as healthy. However, being free of sugar does not mean a drink has any nutrients, and some contain acids that can harm tooth enamel.” What is the author’s main point?
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