Which of the following circumstances would result in a loss of accuracy in the mass recorded on the balance, and a recorded value that is too high? Select two:
a. The mass of a sample is recorded by weight removed, but some material spilled outside of the volumetric flask when transferred from the weigh bottle.
b. The mass of a sample is recorded by weight removed in the absence of gloves, resulting in added skin oils with each measurement.
c. The mass of a sample is recorded by weight added, but some material spilled outside of the volumetric flask when transferred from the weigh bottle.
d. The mass of a sample is recorded by weight added in the absence of gloves, resulting in added skin oils with each measurement.
e. The mass of a sample is recorded by weight added to a volumetric flask that is still wet, and the recorded mass drops over time.