Read the excerpt from Narrative of the Life of Frederick Douglass. Identify the tone in the following sentence. "How I escaped death, I do not know. There I was, entirely alone, in a thick wood, in a place new to me. My cart was upset and shattered, my oxen were entangled among the young trees. and there was none to help me."

a. Suspensful, stressful

b. Thrilling, exciting

c. Mysterious

d. Factual

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.

19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase

Overtime the pond slowly becomes more acidic due to the release of chemicals from a nearby factory. which of the organisms would most likely survive the change to their environment?