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Ostrovityanka [42]
3 years ago
6

Which of the following is not a reason for the wide use of CFC's during the 1920's - 1990's?

Biology
1 answer:
Mila [183]3 years ago
4 0
CFCs are Chlorofluorocarbon substances used in refrigerants (subtances used to keep other things cold) and in aerosol products.

they are both relatively nontoxic(nonpoisonous) and nonflammabale - at least as compared to alternatives.

They are rather volatile - they are not very stable. Therefore it does not make sense to say that they are strong - the correct answer is then strength.
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Answer:

a. hemoglobin in red blood cells

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Carbon dioxide is constantly produced by cells during cellular metabolism (cellular respiration), generating a concentration difference between the interior of the cell and its exterior (intercellular or interstitial space), and a consequent diffusion of this carbon dioxide into the interstitial fluid. Interstitial fluid now has a higher concentration of carbon dioxide than blood plasma, which causes a diffusion into the capillary. Carbon dioxide is carried by hemoglobin or dissolved in plasma.

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Elephants are not the most common species in African grasslands. The grasslands contain scattered woody plants, but they are kep
lapo4ka [179]

Answer:

The elephants are the keystone species in this ecosystem.

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The elephants' job is to knock down trees from time to time to get food from tall stock. This prevents the trees from overpopulating and allows shrub lands to stay in place. This is important as herbivores can continue to graze in large herds and carnivores can continue using the same hunting strategies with little to no push backs by trees.

This makes to elephants a keystone species as without them, the foundation species will decrease in population and create a whole different ecosystem with the trees as the new foundation species.

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Please helppppflfkgnf​
Georgia [21]
I believe it’s position. Position includes distance, direction, and reference point. Hope this helped! :)
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3,900 cm to m is 39.
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