Dna is deoxyribonucleic acid. it carries genetic instructions used in growth and development in living organisms.
Radiography techs are trained to operate medical equipment that uses X-rays and other types of radiation. Ultrasound techs, referred to professionally as diagnostic medical sonographers, operate equipment that uses high-frequency sound waves to create images.
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There is no definite answer but scientists believe the of you go closer towards the earth's core it can get extremely hot.
