Laden has a memory of being given a wonderful teddy bear. she believes she is remembering her second birthday, but she cannot remember for sure. the earliest birthday she could be remembering is her because until that time her lobes were too immature.

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.

i believe your answer is mountains.