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1. |
__________ is an environment like __________ where microorganisms are functioning in an extremely thin film of water and where oxygen-containing air is close to them. |
A. | low oxygen diffusion environment; soils |
B. | high oxygen diffusion environment; soils |
C. | low oxygen diffusion environment; lakes |
D. | high oxygen diffusion environment; lakes |
Answer» C. low oxygen diffusion environment; lakes | |