Both presumptive and confirmatory tests are used in a forensics lab to test evidence. In which of the following scenarios with a confirmatory test be useful? Select all that apply. - using luminal on a suspected body dump

-determining if a drug is morphine or heroin

- determining if blood is animal or human

-identifying if blood belongs to the victim or the suspect

-identifying a dog hair

-determining a blood type

-determining the presence of blood

-testing a mystery substance for drugs

Where can you find prokaryotic and eukaryotic cells?

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

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.