Johnny is a forensic scientist. he tests for gunshot residue. which of the following tests might johnny use?

johnny uses the test, which should turn the material red if gunshot residue is present. for another item, he only has a small amount of material to test, so he chooses which is known to return conclusive results even on very small amounts.

a. dermal nitrate
b. sem-edx
c. griess reagent

a. dermal nitrate
b. sem-edx
c. griess reagent

Why is a dominant allele called dominant

The fauces connects which of th following structures to the oropharynx

How does upwelling affect coastal fisheries? upwelling damages nutrient supplies at coastal fisheries as the warm, nutrient-rich surface water is replaced by nutrient-poor, cold water. upwelling damages nutrient supplies at coastal fisheries as the cold, nutrient-rich surface water is replaced by nutrient-poor, warm water. upwelling improves the nutrient supply at coastal fisheries as the warm, nutrient-rich surface water replaces the nutrient-poor, cold water. upwelling improves the nutrient supply at coastal fisheries as cold, nutrient-rich water replaces the warm, nutrient-poor surface water.