13. We observe objects that move and notice changes that happen quickly. Which of the following would be most difficult to observe directly with our eyes? O a fireworks display O boiling water in a pot O burning wood O a temperature change​

Compare asexual reproduction to sexual reproduction

Which part of cellular respiration must occur before any of the other steps can occur

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.