Can someone help here? Item 4 refers to the following diagramn
which represents a metabolic process occurring in plants

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

Which could be a pathway of food through an ecosystem

Which of the following is not associated with invasive species?