A sedimentary rock goes through heat and pressure and is formed into a metamorphic rock.
DNA is the substance<span> within every living cell that </span>contains the instructions for life<span>.</span>
In diagnosing thyroid disease, thyroid function must be established first. This can be done by testing for the TSH, T4 and T3 in the serum. After testing for the thyroid function, ultrasound must be done, this can help us to visualize if the nodules are cystic or solid. Ultrasound can also help establishing the size of the tumor as well as if there is an invasion. FNAB can be done to determine the presence of malignancy, before doing this patient must be in euthyroid state. Hyperthyroid patient can lead into thyroid storm if FNAB was done without knowing the thyroid function of the patient.
Penicillin was an accidental discovery I believe
A is the answer
The two reactive elements that you should remember are Flourine (F) and Francium (Fr), and only F is first for one answer.