Answer:
the answer is all of them
Explanation:
The nucleotides in DNA contain four different bases, those of which being nitrogenous bases.
The four bases are:
1 - Thymine
2 - Cytosine
3 - Adenine
4 - Guanine
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Answer:
It has the right amount of all essential things.
Explanation:
has the right amount of oxygen, gravity, food resources and systems (photosynthesis, cellular respiration,etc.)