How does the ozone layer of the atmosphere affect Antarctica? A. It helps ultraviolent rays reach Antarctic ice.
B. It helps freeze Antarctic ice.
C. It filters out ultraviolent rays that can melt Antarctic ice.
D. It is not related to Antarctica at all.

This chart shows the number of soldiers killed according to two different sources. source a is a book written by university professors. source b is from a well-known historical website. in a paragraph, explain why the data presented is different, and evaluate the reliability of each source. which should be used in a school research project, and why?

Which region on the map would have been directly affected by the infestation of the boll weevil in the late-19th and early-20th centuries? a) 5 b) 4 eliminate c) 3 d) 2

12 there are four phases of self-regulation: forethought, performance, self-reflection, and punishment. select the best answer from the choices provided ot of