The answer would be D yellow, tall
No because the cell is already dead and it could not survive.
A river that comes from rain, glaicers etc would be a good example of fresh water rivers. Cause the water is coming from something that is most likely been unthouched by man or has been filterd and cleaned from minerals in the ground.
I don't know how to answer the true or false however it can take around 4 weeks in the peak of the summer climate.
I'm assuming a carnivore as they are animals that only eat meat
