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emmasim [6.3K]
3 years ago
15

A foreign substance that invades your body is called an:.

Biology
1 answer:
jolli1 [7]3 years ago
8 0

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.

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If a scientist is studying the attraction of water molecules to each other, what property is he or she studying?
gtnhenbr [62]

Answer: Cohesion

Explanation:

The cohesive attraction or cohesive forces is the action or property of like molecules which stick together.

It can be intrinsic forces that can be caused by the structure and shape of water. This allows the water molecules to stick to each other.

Due to this phenomenon of water it has a spherical shape and it flows in a liner motion.

Hence, the force that is present between two water molecules is cohesion.

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Answer:

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