Salmonella contaminate poultry and eggs when bacteria live in the intestines of infected birds and spread through their droppings, which can get on eggshells or into the meat during processing. Infected birds can also pass the bacteria directly into developing eggs before the shell forms.

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Hail is balls of ice that form in thunderstorms when raindrops are carried high into the cold upper atmosphere and freeze in layers. They fall to the ground when they become too heavy for the storm's updrafts to support.

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Severe thunderstorms form when warm, moist air near the ground meets cold, dry air aloft, creating unstable atmospheric conditions that fuel powerful updrafts and downdrafts. Three key ingredients—moisture, instability, and lift—must combine to produce these intense storms.

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Electric vehicle batteries degrade over time due to chemical reactions inside the cells that reduce their ability to store and deliver energy. This degradation happens naturally through use, charging cycles, and exposure to heat.

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A winter storm warning means dangerous winter weather is happening or about to happen and you should take action immediately, while a winter storm watch means winter weather conditions are possible in the next 12-48 hours and you should prepare. Warnings are more urgent than watches.

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