Answer:
The correct answer is B.
Explanation:
DNA was discovered in 1800, and then scientists studied DNA with X-Rays. After a while, scientists published a 3D model of DNA, and shortly after, scientists decoded DNA genes. So the answer is Option B.
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Answer:
In addition to maintaining international peace and security, the United Nations protects human rights, delivers humanitarian aid, promotes sustainable development and upholds international law.
Explanation:
Answer:
Each combination of an element with a different number of neutrons is called an isotope. The radioactive isotope is called the parent, and the isotope formed by the decay is called the daughter
The data did not support the hypothesis because the amount of dissolved oxygen decreased as water temperature increased.
