What are the different kinds of agents that attack plants and animals? what are some of the ways that pests and diseases impact crops? how long have rust diseases been recognized as an agricultural problem? how has ergot of rye affected social history?

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.