Which of these might result from the process of natural eutrophication? A pond becomes a meadow.

B rock breaks down into soil.

C glacier retreats to expose new land.

D nonnative species takes resources from native species.

An 88 year-old widow with uterine prolapse and multiple comorbid conditions has been unsuccessful in the use of a pessary for treatment elects to receive colpocleisis (lefort type) to prevent further prolapse and avoid more significant surgery like hysterectomy. the treatment is successful. what are the cpt® and icd-10-cm codes reported for this procedure?

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!

Several billion years ago which gas was the least prevailant in the atmosphere