?

AP® Environmental Science

Free Version

Upgrade subject to access all content

Difficult

Dissolved Oxygen at Two Lakes

APES-DRYPLT

Over a year, water samples were taken at two lakes as indicated by site 1 and site 2.

Which is the BEST conclusion about the two sites?

Created for Albert.io. Copyright 2016. All rights reserved.

A

Site 2 has a high level of organic pollution.

B

Site 2 is an oligotrophic lake.

C

Site 1 is located near an agricultural area.

D

Site 1 has a high microbial count.

E

Site 2 is located in the Southern Hemisphere