Answer:
When fresh water reaches lakes and shores , it becomes dirty and less diverse in living organism.
Explanation:
Fresh water originating from a given source is usually cooler at upstream side. Also it has high oxygen content and fresh water fauna such as fishes. In the middle of its course, its width and species diversity increases. With further progression, sediments and dust adds to the water thereby reducing its clarity and hence the penetration of sunlight. By the time this water reaches streams and ponds, it is full of mud, sand, and other sediments.
A) km would be used to measure the length of a bicycle trail, the other options do not measure distance.
The answer is D I’m pretty sure
Mutualism is relationship that is beneficial to both organisms involved. The relationship between a plant and a bacterium called a mutualism because both of them help each other. Bacteria are involved in increasing the fertility of the soil by fixing atmospheric nitrogen and thus provide plant with nitrogen. In return, the bacteria make their homes in what usually become nitrogen "nodules" along plant roots. The plant gets food, the bacteria gets shelter, everybody wins.
