Answer:
Metamorphic rocks are caused by heat and pressure
Answer:10 % I'm pretty sure
Explanation:
<span>Valence is defined as number of electrons that are present in the outermost orbital. Oxygen is in the 16th column of the periodic table and the total number of valance electrons is determined by units place digit of the column position which is 6 for oxygen. The outermost orbital is the high energy level and there are two in that orbit. So the valance is +2.</span>
Answer:
Diagnosistic use
Explanation:
When a person goes to the hospital displaying signs and symptoms of a disease. The doctor will have to make a diagnosis.
Diagnosis is made to determine or explain which disease or condition is causing the symptoms.
Drugs that are used during radiological procedures and other medical tests will be used of Diagnostic purpose to show evidence of a disease.
From the results of the Diagnostic tests a conclusion came be made.
Therefore, they were for Diagnosistic use.