Answer:
I believe it is cellulose, I'm not a 100% sure
The answer is C: a pollutant.
The lake bottom is lined with rocks because an abiotic is a non-living thing in an environment while biotic is a living thing in a environment
Answer:
Study it under a microscope!
Explanation:
Any organisms in the pond water are more than likely very, very small! Microscopic, even;)