Answer:
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.
Explanation:
The correct answer is c trachea
Answer: Coronal Mass ejection-geomagnetic storm
Geomagnetic storm-aurora
Explanation:
I just took the test
Answer:
it's ground water because it just is just put groundwater
Answer:
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Explanation:
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