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?
- AThin shell
- BHard bone
- CCartilage
- DScales
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?
The first step in treating a minor burn is to cool it under cool running water for about 20 minutes. Do not use ice, which can damage the skin further. What should you NOT use on a minor burn?
Ravi practised the piano for thirty minutes every day. At the end of the year, he played two songs at the school concert, and the audience clapped loudly. What can you tell about Ravi’s performance?
To make a cup of tea, first boil the water. Next, put a tea bag in the cup and pour the hot water over it. Let it steep for three to five minutes, then remove the bag and add milk if you like. Which step comes immediately before removing the tea bag?
“City Park has a lake, tennis courts and a café. River Park has walking trails and a lake but no café.” What do both parks have?
“Many people think bats are blind. In fact, bats can see, and many species also use echolocation, sending out sounds and listening for the echoes, to find their way in the dark.” What is echolocation, according to the passage?
“The forest fire was finally under control after three days. Firefighters praised the townspeople, who had cleared dry brush around their homes weeks earlier, for saving many houses.” Why did the firefighters praise the townspeople?
“The phone rang at 3 a.m. Lena’s heart pounded as she reached for it, already imagining the worst.” What does the author suggest by “already imagining the worst”?
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