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The answer is <em>A.) You have antibodies that already recognize the virus</em>
Viruses and diseases are always changing. When we get sick with say the flu, a virus, or the cold of sorts, our body attacks it until it fights off the disease. You can't get sick from the same strand of sickness because once your body defeats the virus, it knows how to protect the body from it because of the antibodies, so the virus ends up evolving to get past your immune system again.
I hope this helped! Have a wonderful day :)
<span> C) They make carbohydrates through the process of photosynthesis.
</span>Photosynthesis is a process wherein light energy is converted into chemical energy.
<span>Plants use the light energy coming from the sun and make food and other cellular organic compounds that will be used for certain types.
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