Answer:
D. A joint in the spine that is slightly movable and separated by cartilage.
Explanation:
got it from edge2020
Answer:
Three major forms of DNA are double stranded and connected by interactions between complementary base pairs. These are terms A-form, B-form,and Z-form DNA.
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<span>If I were attempting to date a rock sample that I suspect to be incredibly old, i would use radioactive isotopes with a long half life. When dating rocks and fossils to discover approximately how old they are, radioisotope dating is used on igneous rocks found near fossils. Things like Uranium 235, which is an unstable radioactive isotope of elements, decays at a constant rate over time so can be useful in determining age.</span>
I would say D because it involves more selection but if that one is wrong it is most likely B. But I would go with D