Apet store owner has many aquariums with tropical fish. he knows that fish can be sensitive to environmental changes. which environmental condition would most likely have a negative effect on the homeostasis of the tropical fish? 1. an increase in oxygen concentration in the water 2. an increase in water level 3. a decrease in carbon dioxide concentration in the water 4. a decrease in water temperature

Use the drop-down menus to match each part of the scenario to the correct scientific practice. akira records the speed of a reaction without a catalyst and then with a catalyst. akira creates a reaction without a catalyst and repeats the reaction with a catalyst. akira turns in a written lab report to his science teacher. akira wonders, "will adding a catalyst speed up this chemical reaction? " akira writes in his notes that adding a catalyst sped up the chemical reaction because the catalyst lowers the activation energy needed to get the reaction started.