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The pH scale measures the concentration of how acidic or basic something is. The lower the number below 7, is acidic. Above 7 is basic. 7 is waters purest form.
Answer:
by by STAFF AUTHOR, Most people think you can't get prints from a wet surface, but you can if you use Small Particle Reagent (SPR). SPR is like liquid fingerprinting powder and can be used on non-porous surfaces. Spray SPR onto wet evidence then rinse with water.
Explanation:
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