29. In an eighth-grade science class, there are four lab groups. Group 4 designs an experiment to find out how light affects the germination rate of radish seeds. The students in Group 4 write out their procedure and
conduct their experiment. They discover inconsistencies in their data and decide to increase the number of
trials to obtain multiple data sets. Which of these most accurately describes how this should be done?
O Group 4 should repeat their procedure at least three times.
O Group 4 should repeat a revised procedure at least three times.
O Group 4 should communicate their procedure to another group for replication.
O Group 4 should communicate a revised procedure to another group for replication.