Author: Study Clue

In AQI basics, a higher AQI number usually means A Cleaner drinking water B Less traffic noise C More polluted

A major contributor to roadside air pollution in busy cities is A River water vapour B Desert night winds C

A long-term rise in sea level mainly threatens people living in A High mountain peaks B Low-lying coasts C Deep

In air-quality terms, PM10 mainly includes particles that are A Up to 10µm B Only invisible gases C Only water

In AQI terms, PM2.5 mainly refers to particles that are A Smaller than 2.5µm B Larger than 10µm C Only

A hazard warning is issued, but people do not evacuate because they think “nothing happened last time”; the main failure

A cyclone hits two coastal blocks with similar wind speed; Block X reports far fewer deaths because most families evacuated

A strong earthquake occurs in an uninhabited desert and causes no disruption; this event is best called a A Disaster

A hill village notices new cracks on a road-cut slope after days of rain; the most likely immediate danger is

A coastal town faces cyclone hazard yearly, but disasters reduced after shelters and drills; this shows risk fell mainly due