Which best describes how an ionic bond forms? a. two molecules share an electron. b. one atom pulls an electron from another atom. c. two atoms share valence electrons. d. two atoms both lose an electron.

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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