Which of the following statements describes the relationship among elements of an ecosystem?

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

What is a problem natives in both bolivia and peru face? a. extreme poverty c. discrimination b. limited access to resources d. all of the above

In 1200 bce, the egyptian empire was declining as the civilization was beginning in mesoamerica. a. maya b. oaxaca c. olmec d. teotihuacan