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Dovator [93]
3 years ago
9

The body system that fights infection is called the?

Biology
1 answer:
Soloha48 [4]3 years ago
6 0

the immune system is the body system that fights infection's my friend

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Help me with this please i will give 20 points because this is a lot
Colt1911 [192]

Answer:

causes a cell to change: hypotonic,hypertonic

doesnt change the shape of the cell: isotonic

I dont know what the 3rd one is

Causes a cell to shrink:Hypertonic

Explanation:

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4. How does the type of medium affect a sound wave?
timurjin [86]

Answer: sound will INCREASE

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5 0
4 years ago
If the cytoplasm of a cell is at ph 7, and the mitochondrial matrix is at ph 8, then the concentration of h+ ions _____. if the
GrogVix [38]

The answer is 10 times higher in the cytoplasm than in the mitochondrial matrix

pH is usually calculated by the negative log of the H+ ions in a solution. The H+ ions are calculated in mols/Liter; Therefore a solute with a higher concentration of hydrogen ions has a lower pH. The difference between one pH to the next is 10 times fold the number of H+ ions.

[H+]= mol/L.

pH=−<span>log[H+</span>]







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3 years ago
How are food webs used to help explain ecosystem interactions?
lara [203]

Answer:

A food chain describes how energy and nutrients move through an ecosystem. At the basic level, there are plants that produce the energy, then it moves up to higher-level organisms like herbivores.  In the food chain, energy is transferred from one living organism through another in the form of food.

Explanation:

6 0
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