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:
Osvaldo Cruz was the participant
Much of this poverty was said to be "invisible." It affected Blacks in urban neighborhoods and whites in depressed rural areas like the Appalachian Mountains. Middle-class Americans never saw the misery in other sectors of American society. Poverty amid plenty was another paradox of the '50s, but most people were able to ignore it.
(hope this helps ^^)
Art is very valuable because most art is from a long time ago. The painter must be very important. The painter has probably died or is very old. If the painting was fake there would be a few hints. Each painter has a different way or painting or a different streak. Art is very important, not just because of the painter, but how long its been around. If the art is a replica, then it isn't valuable. Replicas aren't valuable because they aren't the same. HOPE THIS HELPS:)
