Which travels faster, sound or light?
Light

Police station
The cloud cover at a certain location was 8. What was the weather at that location?
Sunny
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Fire station
A high-pressure system is located west of Japan, and a low-pressure system is located east of Japan. What season is this weather pattern commonly seen in?
Winter
Which country has the largest population in South America?
Brazil
The isobars on a weather map are close together. What can you tell about the wind?
The wind is strong.
Which country is NOT a member of ASEAN?
A. Vietnam
B. Thailand
C. India
D. Malaysia
C. India
The temperature at the bottom of a mountain is 20°C. The temperature drops by about 0.6°C for every 100 meters. What is the temperature at an altitude of 1,000 meters?
Answer: 14°C.
1,000m = 100m × 10
気温の低下 = 0.6 × 10 = 6℃
20 − 6 = 14℃
Why is OPEC important to the world economy?
Answer: Because its decisions can affect the supply and price of oil