<span>~Hello there!
Your question: Sam came home from school with a cold caused by a virus and his sister, Ana, caught it from him. Sam got well and went back to school. A few days before Ana got well, Sam came down with a cold again. Their mother said that Ana had given the cold back to Sam. How likely is it that their mother is correct, and what does it mean for Ana's chances of
getting sick again?
Your answer: Acquired immunity, he must have picked picked up a different disease virus so Ana can get sick again.
The answer is option A.
Hope this helps~
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<span>The answer is Monarch butterflies migrating southward. This describes the innate animal behavior, </span>Monarch Butterflies perform one of the longest migration known in insects. Starting from North America, they spend their summer in North America, and migrate south to Mexico for the winter.<span>
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Is there a picture for this?
I believe that Calpurnia finds the food on the back porch.