• Reagent used: Oxidase • Why is the purpose of the oxidase test? • How is the oxidase test performed? • Why should you read the results within 30 seconds? • Be able to recognize a positive and negative reaction.

What reaction is taking place? 02 + c3h8 = h20 + co2

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

Water undergoes a large change in density at 0 ∘ c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 ∘ c given that