The heart has four chambers. The two upper chambers are called atria, and the two lower chambers are called ventricles. What are the two lower chambers called?
- AAtria
- BValves
- CVentricles
- DCoronary arteries
The heart has four chambers. The two upper chambers are called atria, and the two lower chambers are called ventricles. What are the two lower chambers called?
Bamboo is one of the fastest-growing plants in the world. It is a type of grass, even though some kinds grow as tall as trees. What type of plant is bamboo?
Ana’s grandmother keeps a small notebook by the phone. She writes down every doctor’s appointment, the name of each medicine she takes and the phone numbers of her children. Why does Ana’s grandmother most likely keep the notebook?
A graph shows that the number of people using the town library fell each year from 2015 to 2019 and then rose sharply after the library added free Wi-Fi and study rooms in 2020. Which conclusion is best supported?
A recipe says: “Preheat the oven to 180 °C. While the oven heats, mix the flour and sugar. Add the eggs and milk, stir until smooth, and pour into a greased tin.” What should be done while the oven is heating?
“The town had a problem: the only bridge over the river was too narrow for two cars. The council solved it by building a second bridge and making each one-way.” How is the passage organised?
The author writes: “Online reviews are useful when choosing a restaurant. Still, readers should remember that people are more likely to write a review after a very good or very bad experience.” What is the author warning about?
“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?
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