Daily Trivia Quiz - Day 218 (2026-06-17)

Question 1

What key nutrient can dust carried across the Atlantic deliver to the Amazon rainforest?

Accepted Answer

Phosphorus

Answer

Mercury

Answer

Chlorine

Answer

Helium

Question 2

Which explanation best matches the mainstream account of how OK became popular?

Accepted Answer

It spread through a fad for humorous abbreviations and later political promotion

Answer

It was the first confirmation code officially defined in international telegraphy

Answer

It comes from a formal Latin word for agreement

Answer

It used the two easiest letters to type on early typewriters

Question 3

Why are many medicine bottles designed with a “push down and turn” cap?

Accepted Answer

To reduce the risk of children opening them accidentally

Answer

To automatically sort the pills inside the bottle

Answer

To make the cap fit every beverage bottle

Answer

To make the bottle easier to crush during shipping

Question 4

In Japan, passing food directly from one pair of chopsticks to another can evoke what ritual action?

Accepted Answer

Passing bones with chopsticks after a funeral

Answer

A greeting before a tea ceremony

Answer

Sharing New Year rice cakes

Answer

A sushi chef's serving gesture

Question 5

Why do supermarkets often make the produce section highly visible near the entrance?

Accepted Answer

To create an early impression of freshness, abundance, and a store worth browsing

Answer

To prove every product is heavier than elsewhere

Answer

To show that the store needs no cold-chain equipment

Answer

To guarantee faster checkout for every customer

Question 6

What long-term cost are subway wall materials designed to reduce when they are durable and easy to clean?

Accepted Answer

Maintenance costs in a high-traffic space

Answer

The energy used when trains brake

Answer

Passengers' phone-charging costs

Answer

The purchase cost of rail steel

Question 7

Besides deciding who goes first, what public mechanism does a queue maintain?

Accepted Answer

A visible rule for allocating waiting opportunities

Answer

Serving people in order of voice volume

Answer

Judging purchasing power by clothing color

Answer

Replacing all service processes with random drawing

Question 8

Why can dropping a price from 1 yuan to 0 yuan feel more powerful than dropping it from 2 yuan to 1 yuan?

Accepted Answer

Zero-price effect

Answer

Endowment effect

Answer

Near-miss effect

Answer

Zeigarnik effect

Question 9

In some reservoirs, greenhouse gases mainly come from the decomposition of what flooded material?

Accepted Answer

Organic matter in plants and soil

Answer

Limestone crystals inside the concrete dam

Answer

Metal coatings on generator rotors

Answer

Sunlight reflected from the water surface

Question 10

Many languages have mother words with an m sound. What is the common explanation?

Accepted Answer

The m sound is close to sounds babies can produce early

Answer

The m sound legally represented mothers in ancient law

Answer

The m sound is the last consonant to appear in every language

Answer

The m sound comes from a single prehistoric word for mother