What is the meaning of OML

Reading plus level g answers for the legendary loshu

How will charlie most likely change after his experience at the diner in part 2 of "flowers for algernon"? he should be kind to each person who crosses his path. he will be more sympathetic to those who are similar to the way he once was. he will attempt to the dishwasher receive the surgery he was given. he will react the same way each time he sees someone being treated unfairly.

What is meant by “eternally burning black pipes”? what is this implying about the personality of the firemen?