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12345 [234]
3 years ago
5

Where in the lungs does gas exchange occur

Chemistry
1 answer:
Lina20 [59]3 years ago
7 0

Answer: Between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.

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How a mass spectrometer works
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It turns atoms into ions then seperates them through a electric the magnetic field. they then fan out into a spectrum.
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3 years ago
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2. What are the 6 biomes of the world?
Kitty [74]

Answer:

tundra, rainforest, desert, grasslands, taiga, deciduous forest

Explanation:

7 0
4 years ago
The temperature at which a solid melts is not characteristic if a compound nor an element
Assoli18 [71]

Answer:

False

Explanation:

The temperature at which a solid melts, known as its melting point is highly characteristic of a compound and element.

The melting point of pure substances, compounds and elements is definite and not varied.

  • Melting point is an intensive property of matter.
  • It does not depend on the amount of matter present.
  • It is an innate or intrinsic property of every matter.
  • For example, no matter the volume or mass of water, it will always boil at 100°C, all things being equal.

Therefore, melting point of most solids is characteristic of compounds and elements.

8 0
3 years ago
How many molecules in 11 grams of CO2?
yawa3891 [41]

Answer:

1095.62

Explanation:

5 0
3 years ago
The Earth's mantle is
EleoNora [17]

Answer:

C. cooler than both the crust and the core

Explanation:

It is observed that at the mantle, temperatures range from estimatedly 200 °C (392 °F) around the upper boundary with the crust to approximately 4,000 °C (7,230 °F) at the core-mantle boundary.

So we can say the mantle is cooler than both the crust and the core.

5 0
4 years ago
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