3) Molecules in which molecular geometry causes the charges to cancel each other out.

it is a good conductor

explanation:

1.solid

2.carbon dioxide

3.helium

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.

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