Answer: The teacher had been monitoring class attendance. The teacher had not been monitoring class participation. How many of the students were actually prepared to take the test was uncertain. How many of them had been attending class was certain. This is why it was important for the teacher to monitor both class participation and attendance.
Explanation:
In order for life to have gotten started, there must have been a genetic molecule.something like DNA or RNA,capable of passing along blueprints for making proteins, the workhorse molecules of life.
There is an archaic term "Exeunt" used to describe a situation where many characters leave the stage. "Exeunt Omnes" would be the stage direction for everyone to leave.
