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lord [1]
3 years ago
13

Answer No. 2 please.

Biology
1 answer:
Tema [17]3 years ago
7 0
During the biochemical test it shows to difference between Aa and Aa, because it does not show if one trait is recessive or not
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valentinak56 [21]

Answer:

no 1 ok

Explanation:

because it controls the raye pf breathing so

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2 years ago
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Answer This! Good Luck!
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It can be but up to where the kidiny is and it could be made to detectice unhealthy organs.

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What is a boundary ????????
lorasvet [3.4K]
A Boundary Is A Line That Marks A Limit Of Space. So If You Live In A Neighborhood, Then There Would Be Fences, And That Would Be A Boundary line. It Marks Space And Divides Space. Hope That Helps.
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What is the building block of nucleic acids
Alexus [3.1K]

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Nucleotides are the smaller parts of the nucleic acids

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Earth's early atmosphere was primarily composed of
Paul [167]

Answer:

The correct answer is ''carbon dioxide, water vapor and nitrogen.''

Explanation:

About 4.5 billion years ago, Earth was a very geologically active planet. So many volcanic fumes formed the primitive atmosphere, which was mostly made up of water vapor, carbon dioxide, sulfur, and nitrogen. At this point, oxygen was barely present and the oceans did not yet exist. The primitive atmosphere is the one before the Precambrian, it was reductive, that is, it lacked free oxygen, and only had ammonia, methane and hydrogen, the high temperature of the atmosphere in its early stages facilitated the reaction of these gases to form organic compounds from which life may have emerged. UV rays passed, because ozone did not exist.

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