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Arte-miy333 [17]
3 years ago
10

Can somebody do this please

Biology
1 answer:
Elena-2011 [213]3 years ago
8 0

Explanation:

i would say a or c that is my answer

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Please fill in the blank to answer the question.
Vaselesa [24]

Answer: equator

Explanation:

i hope this is right

5 0
3 years ago
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The cubic centimeter (cm3) is a measurement of which of the following quantities?
Sati [7]
The cubic centimeter (cm30 is a measurement of Volume.
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What does ordered internal structure mean
Alinara [238K]

Answer:

Ordered internal structure" means that the atoms in a mineral are arranged in a systematic and repeating pattern.

Explanation: they arranged and repeating pattern go see for urself its right and i need help but its ok cause i dont know what grade are u but go check im typing alot..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

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3 years ago
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Some have speculated that the origin of life occurred at geothermal vents. amino acids can form there. compared to the amino aci
cluponka [151]

There are a number of amino acids that have formed under certain environmental conditions if the required elements are present and the energy conditions ar compatible with chemical assembly. These conditions have also allegedly formed amino acids on meteors, asteroids and comets.


But, amino acids are a very minor component of more complex biochemical assemblies required for life. Pentose sugars are also required, which form under different environmental conditions than amino acids. More importantly, only left-handed homochiral amino acids and right-handed homochiral sugars can form functioning biochemical assemblies that are viable in an organism. But, natural conditions, like hydrothermal vents only produce racemic versions of sugars and acids, meaning they are always approx. 50% left and right handed. This is fatal to forming viable biochemical assemblies.


Further, it is not possible for all of the 20+ homochiral amino acids needed for a living organism to form naturally. The only ones found have been the simpler amino acids. Also, the 4 critical nucleotide amino acids, C, G, A, T, do not form naturally, are not homochiral, nor in the right proportions.


The geo/hydrothermal vent conjecture is nonsensical. These are open systems, susceptible to currents, mineral contamination, salinity, ph, and temperature, making them a totally unacceptable environment for the precise and exact placement of elements to assemble to form life.

3 0
3 years ago
How many pounds does the earth weigh?
tatuchka [14]

1.317 × 10^25 lbs i believe.

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