Answer:
180
Explanation:
because you have to multiply 9 x 20 which gives you 180 for your total
Answer:
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B, b is the answer, please give this brainliest.
The evacuated tubes used should have <u>tan color stopper</u> and EDTA as an additive.
<h3>What is blood pH?</h3>
Blood pH is a measure of the molar concentration of hydrogen ions that are present in the blood of a living organism, with respect to its acidity, neutrality or alkanlity (basicity) such as lead level.
Based on medical information, the evacuated tubes used should have <u>tan color stopper</u> and ethylenediaminetetraacetic acid (EDTA) as an additive.
Read more on blood pH here: brainly.com/question/11209525
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