Answer:
It consists of just a few kinds of atoms: carbon, hydrogen, oxygen, nitrogen, and phosphorus. Combinations of these atoms form the sugar-phosphate backbone of the DNA -- the sides of the ladder, in other words. Other combinations of the atoms form the four bases: thymine (T), adenine (A), cytosine (C), and guanine (G).
Explanation:
The answer is the first one, A!
X-ray radiography is the imaging technique uses radiation that is emitted from the material being imaged.
<h3>What is X-ray?</h3>
This is referred to as a penetrating form of high-energy electromagnetic radiation and is used for imaging.
The rays penetrate objects and body parts and create an image which is often used for diagnostics in healthcare centres which makes option A the most appropriate choice.
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Answer:
B. chronic illness. youre welcome
A. Conduct an exam. Thomas might have a drug dependence.
