01 What is the first era in geologic time?
cenozoic
mesozoic
paleozoic
precambrian
01 What is the total magnification of an object if the eyepiece is 5x and the objective is 80x?
50x
800x
400x
200x
01 The most important and regularly forgotten safety rule is to ask to always report concerns to your teacher.
Tačno
Netačno