It causes eutrophication which means that the algae have too much nutrients and take over the pond, use the oxygen so there is not enough left for marine life, which die as a result.
Answer:
la investigación científica
Hypertonic would be the correct answer, there is more solute making the cell let out more water, shrinking the cell, therefore being hypertonic.
Fish and bird are biotic and the bird would hurt the fish depending on the species of birds since some birds are carnivores.