How does douglass use imagery in the excerpt to emphasize how old and weak his grandmother is?

he claims that the slaveholders are “virtually turning her out to die.”
he points out that she is “supporting herself there in perfect loneliness.”
he explains that the slaveholders found that “she was of little value.”
he describes her body as being “racked with the pains of old age.”

During an experiment measuring the change in temperature of a chemical reaction your digital thermometer breaks. you have the same model thermometer available to use how do you proceed with the experiment a. continue on with the new thermometer b. begin the experiment again with the new thermometer c. calibrate the new thermometer and make a notation regarding the change in equipment d. calibrate the new thermometer and begin the experiment again