Why should scientific investigations be replicable? A.
to better align with proposed hypotheses
B.
to make explanations less conclusive
OC.
to allow scientists to improve procedures
D.
to make sure data is accurate

Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction