“Lucas tiptoed past his sleeping baby sister so he would not wake her.” Why did Lucas tiptoe?
- ATo surprise his parents
- BBecause his feet were sore
- CBecause the floor was wet
- DTo avoid waking his sister
“Lucas tiptoed past his sleeping baby sister so he would not wake her.” Why did Lucas tiptoe?
The seasons change because Earth is tilted. As Earth travels around the sun, first one half and then the other half leans towards the sun and gets more direct sunlight. Why do the seasons change?
We blink many times every minute. Blinking spreads tears across the eye, which keeps it moist and washes away dust. Why do we blink?
“Despite his fear of heights, Leo climbed the tall ladder to rescue the kitten stuck on the roof.” What does this show about Leo?
Vaccines train the immune system to recognise a germ without causing the disease. Later, if the real germ enters the body, the immune system can respond faster. Which statement best summarises the passage?
The nutrition label on a cereal box lists, per serving: 120 calories, 2 g fat, 9 g sugar and 3 g fibre. The box contains 10 servings. How much sugar is in the whole box?
“Only 30 minutes after taking the new pill, I felt better,” said one customer in an advertisement. “It must be the best headache pill ever made.” Why is this weak evidence that the pill works?
The author writes: “In a survey, 80% of patients said they were satisfied with the clinic. However, only 10% of patients returned the survey.” What is the author suggesting?
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