Answer:
Thunderstorms in New York at 3:00pm is an example of weather.
Explanation:
Your immune system protects you from bacteria and viruses. Sometimes it misreads a harmless substance as a threat. When that happens, your body creates chemicals, like histamine, that trigger an allergic reaction. It's unclear what causes your immune system to make the mistake about certain things.
<span>phosphate and sugars in their structures</span>