Answer:
Look at graph
Explanation:
IM not 100% sure what you meant but this graph might help!
The development of large farms has polluted the river through waste runoff.
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Answer:
I would choose the first one
Answer:
A vertebrate is an animal or species distinguished by its possession of a backbone or spinal column. Vertebrates can be insects, fish, mammals, birds, reptiles, and also amphibians.
Hope this helps :)
Answer: contour lines.
Topographic maps are easily recognized by their contour lines.