Suggest why the ph of the gut secretions varies at different regions in gut answer key anatomy

Which is the most likely way an automotive engineer would use chemistry

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false