Starfish, also called sea stars, live in the ocean. If a starfish loses an arm, it can often grow a new one over time. What can a starfish often do if it loses an arm?
- ASwim much faster
- BChange its colour
- CGrow a new one
- DLive on dry land
Starfish, also called sea stars, live in the ocean. If a starfish loses an arm, it can often grow a new one over time. What can a starfish often do if it loses an arm?
An ambulance siren sounds higher as it comes towards you and lower as it moves away. This change in sound is called the Doppler effect. What is the Doppler effect, according to the passage?
Digestion begins in the mouth. As you chew, saliva starts to break down some of the food, and your tongue helps form it into a ball that you can swallow. Where does digestion begin?
“Jamal’s grandmother taught him to cook her famous stew. Now, every winter, Jamal makes it for his own children and tells them stories about her.” What is the main theme?
“Unlike frogs, which have smooth, moist skin, toads usually have dry, bumpy skin. Toads also tend to spend more time on land.” What is the main purpose of the passage?
“Of all the jobs on the farm, Leo liked feeding the calves best. He even woke up early on weekends to feed them.” Which detail supports the idea that Leo enjoys feeding the calves?
A safety leaflet says: “Store all medicines out of the reach of children. Keep them in their original containers so that the label and instructions stay with them.” Which practice follows BOTH pieces of advice?
Researchers found that people who own dogs live longer, on average, than people who do not. The author concludes that buying a dog will make a person live longer. What is the main weakness in the author’s reasoning?
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