Answer:
A. an increase in sea urchin biomass is associated with more intense grazing.
Peer review is a means of quality control for scholarly journal articles and books. It is the evaluation process of academic, scientific and professional work done by other individuals working in a similar field. Sometimes, the articles published in academic Journals are also referred as scholarly journals.
Hope this helps.
Glacier because ice sheet and stuff and science ill explain more in the comments
