Mars is called the Red Planet because its soil contains iron oxide, which gives it a reddish colour. Why is Mars called the Red Planet?
- AIt has two small red moons.
- BIts soil contains iron oxide.
- CIt is very close to the sun.
- DIt has red oceans.
Mars is called the Red Planet because its soil contains iron oxide, which gives it a reddish colour. Why is Mars called the Red Planet?
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?
Mrs. Chen’s class voted on a name for the new class fish. “Bubbles” got 12 votes, “Finn” got 8 votes and “Goldie” got 5 votes. Which name won?
“Unlike email, which can be read at any time, a phone call needs both people to be available at once.” What difference does the sentence describe?
“The pharmacist asked Mrs. Kim whether she took any other medicines, including vitamins and herbal products, before giving her the new prescription.” Why did the pharmacist most likely ask this?
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?
“Ten patients tried a new sleep app. Eight said they slept better. The app company now claims: ‘Proven to cure insomnia!’” Why is the claim not justified?
A survey asked 50 people leaving a fast-food restaurant about their favourite meal. Most said burgers. The writer concluded that burgers are the favourite meal of people in the country. What is the main flaw?
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