the barometric pressure measured outside an airplane at 9km (30,000ft) was 259 mmHg .Calculate pressure in KPa.

confused

confused             hewdejdnjnjsnd

since electrons are negative the answer is neagtaive

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

hope i !