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a_sh-v [17]
3 years ago
9

2.

Biology
1 answer:
BlackZzzverrR [31]3 years ago
5 0
Fam stop asking questions and learn from google
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The fossil record of birds is incomplete because bird skeletons are
Bogdan [553]
Bird skeletons are very delicate, and therefore, difficult to be preserved.  The bones of the birds are soft. The small animals are very prone to physicochemical as well as biological decay. This is why the fossil record of bird is incomplete and well-preserved fossils of birds are rare to find, except at a few unusual sites. 
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As atmospheric CO2 increases, the amount of CO2 dissolved in seawater is expected to increase as well. This produces more carbon
stepan [7]

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bicarbonate ions

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What two places in the body are cartilaginous joints found?
Anettt [7]

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The intervertebral discs of the spinal column and 'long bones' such as the femur and tibia.

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4 0
3 years ago
The lining attached to the lungs is called the ___.
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4 0
3 years ago
I need help please thank you.
Fantom [35]
Hey!
8= B : adenine with thymine , guanine with cytosine.

9= False : its not single , *dual* helical structure.

10= Every humans' DNA is different but its as similar as our relatives' DNAs as far as i know so its False.

11 = The two backbones of the DNA molecule consists a deoxyribose sugar ^with 5 carbone^ and a phosphate so the correct answer is B

12= Procaryotes' Genomes are simpler- structured than eukaryotes' so procayotes DNA is 1/1000 of eukaryotes.I couldnt translate the options correctly (im not native sorry) but i think its B according to my knowledge of that XD

13= the amount of adenine, guanine, thymime and cytosine must be same so the correct option is %40as well.

Hope it helps!!!
#MissionExam001
7 0
3 years ago
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