What statement is true about ocean trenches?
a) they are located at the rift zone.
b) they are the deepest part of the ocean basin.
c) they are made up of low hills and flat plains.
d) they are almost as deep as valleys found on land.

Which system revise and send electrical signals throughout the body

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?

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important