Answer:
an ANTIGEN
Explanation:
a foreign substance that invades your body is called an <u>A</u><u>N</u><u>T</u><u>I</u><u>G</u><u>E</u><u>N</u>. 8. When your body detects an antigen, antibodies are made and lock onto it. Once an antigen is recognized, your immune system can remember it the next time and protect you from getting sick again.
i don't exactly know what you're trying to ask but if I think i know then it's all the above. since this is only theoretical question i don't have any solid proof but logically speaking they're all correct
Answer:
Explanation:
carbohydrate molecules
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Photosynthesis uses carbon dioxide and water to assemble carbohydrate molecules (usually glucose) and releases oxygen into the air.
Answer:
can you tell me what's the experiment?
71 percent of this planet is covered by water, mostly because of our oceans.