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Montano1993 [528]
3 years ago
10

A paleontologist is most interested in which two parts of the earth system

Chemistry
1 answer:
kkurt [141]3 years ago
3 0
The biosphere and lithosphere, because paleontologist are interested in the history of the evolution of life. The lithosphere is the outer most crust and mantle, and the biosphere is where animals (such as humans) and plants mostly reside, both of which are spheres where artifacts and clues to the past are mostly found.
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How do cells get ATP, the energy currency that does work in living things?
luda_lava [24]
How do cells get ATP through Cellular Respiration.
Cellular respiration takes place in the mitochondria. The Mitochondria use oxygen (O2) to convert broken-down glucose (at type of sugar) into carbon dioxide (CO2) and water (H2O).
The reactants of CR are oxygen and glucose.
The products of CR are ATP, carbon dioxide, and water.
3 0
3 years ago
Which of the major organ systems keeps you breathing?
butalik [34]
<span>The lungs are the main organ of the respiratory system, which carries oxygen through the body by means of red blood cells and picks up carbon dioxide, a waste gas, to expel from the body when an organism exhales. The trachea filters the inhaled air and branches into the bronchi, where the air tubes carry air directly into the lungs. The diaphragm is the main muscle of the respiratory system, contracting to increase the volume of the lungs and carry air into the body and expanding to force air out of the lungs.</span>
3 0
3 years ago
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Would you expect a heavily crosslinked polyethylene that has a glass-transition temperature of 0°c to be an elastomer, a thermos
musickatia [10]

The heavily crosslinked polyethylene that has a glass-transition temperature of 0°c to be an <u>thermoset (non-elastomer).</u>

A cross-linked kind of polyethylene has been known as cross-linked polyethylene, sometimes known by the acronyms PEX, XPE, or XLPE. It must be primarily utilized in residential water piping, high tension electrical cable insulation, hydronic radiant heating as well as cooling systems, construction management pipework systems, and infant play mats.

Tanks composed of linear polyethylene as well as XLPE are both constructed using heated resins to produce cured plastic. But because of the variations in how they are produced, the polyethylenes they produce have extremely varied structural strengths. Simply put, cross-linking is just the creation of links between polymer chains.

Therefore, the correct answer will be option (a).

To know more about polyethylene

brainly.com/question/15913091

#SPJ4

4 0
1 year ago
Which of the following<br> happens when a substance<br> melts?
Vinil7 [7]

When a substance melts, the solid gains heat, and the motion of the particles increases (particles move faster in liquid form than in solid form).

6 0
3 years ago
An example of a secondary sex characteristic is the increase in hair on some parts of the body.
nignag [31]

Answer:

The ovaries the testes

Explanation:

Do good!

6 0
3 years ago
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